20988528030

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:461

約数の個数: 320

約数和(自身を含む): 61360358400

約数和(自身を除く): 40371830370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 61, 79, 81, 90, 95, 114, 122, 135, 158, 162, 171, 183, 190, 237, 270, 283, 285, 305, 342, 366, 395, 405, 474, 513, 549, 566, 570, 610, 711, 790, 810, 849, 855, 915, 1026, 1098, 1159, 1185, 1415, 1422, 1501, 1539, 1647, 1698, 1710, 1830, 2133, 2318, 2370, 2547, 2565, 2745, 2830, 3002, 3078, 3294, 3477, 3555, 4245, 4266, 4503, 4819, 4941, 5094, 5130, 5377, 5490, 5795, 6399, 6954, 7110, 7505, 7641, 7695, 8235, 8490, 9006, 9638, 9882, 10431, 10665, 10754, 11590, 12735, 12798, 13509, 14457, 15010, 15282, 15390, 16131, 16470, 17263, 17385, 20862, 21330, 22357, 22515, 22923, 24095, 24705, 25470, 26885, 27018, 28914, 31293, 31995, 32262, 34526, 34770, 38205, 40527, 43371, 44714, 45030, 45846, 48190, 48393, 49410, 51789, 52155, 53770, 62586, 63990, 67071, 67545, 72285, 76410, 80655, 81054, 86315, 86742, 91561, 93879, 96786, 103578, 104310, 111785, 114615, 121581, 130113, 134142, 135090, 144570, 145179, 155367, 156465, 161310, 172630, 183122, 187758, 201213, 202635, 216855, 223570, 229230, 241965, 243162, 258945, 260226, 274683, 290358, 310734, 312930, 327997, 335355, 390339, 402426, 405270, 424783, 433710, 435537, 457805, 466101, 469395, 483930, 517890, 549366, 603639, 607905, 650565, 655994, 670710, 725895, 776835, 780678, 824049, 849566, 871074, 915610, 932202, 938790, 983991, 1006065, 1207278, 1215810, 1274349, 1301130, 1363777, 1373415, 1398303, 1451790, 1553670, 1639985, 1648098, 1810917, 1951695, 1967982, 2012130, 2123915, 2177685, 2330505, 2472147, 2548698, 2727554, 2746830, 2796606, 2951973, 3018195, 3279970, 3621834, 3823047, 3903390, 4091331, 4120245, 4247830, 4355370, 4661010, 4919955, 4944294, 5903946, 6036390, 6371745, 6818885, 6991515, 7416441, 7646094, 8182662, 8240490, 8855919, 9054585, 9839910, 11469141, 12273993, 12360735, 12743490, 13637770, 13983030, 14759865, 14832882, 17711838, 18109170, 19115235, 20456655, 22938282, 24547986, 24721470, 25911763, 26567757, 29519730, 34407423, 36821979, 37082205, 38230470, 40913310, 44279595, 51823526, 53135514, 57345705, 61369965, 68814846, 73643958, 74164410, 77735289, 88559190, 110465937, 114691410, 122739930, 129558815, 132838785, 155470578, 172037115, 184109895, 220931874, 233205867, 259117630, 265677570, 344074230, 368219790, 388676445, 466411734, 552329685, 699617601, 777352890, 1104659370, 1166029335, 1399235202, 2098852803, 2332058670, 3498088005, 4197705606, 6996176010, 10494264015, 20988528030]

約数ペア:

[(1, 20988528030), (2, 10494264015), (3, 6996176010), (5, 4197705606), (6, 3498088005), (9, 2332058670), (10, 2098852803), (15, 1399235202), (18, 1166029335), (19, 1104659370), (27, 777352890), (30, 699617601), (38, 552329685), (45, 466411734), (54, 388676445), (57, 368219790), (61, 344074230), (79, 265677570), (81, 259117630), (90, 233205867), (95, 220931874), (114, 184109895), (122, 172037115), (135, 155470578), (158, 132838785), (162, 129558815), (171, 122739930), (183, 114691410), (190, 110465937), (237, 88559190), (270, 77735289), (283, 74164410), (285, 73643958), (305, 68814846), (342, 61369965), (366, 57345705), (395, 53135514), (405, 51823526), (474, 44279595), (513, 40913310), (549, 38230470), (566, 37082205), (570, 36821979), (610, 34407423), (711, 29519730), (790, 26567757), (810, 25911763), (849, 24721470), (855, 24547986), (915, 22938282), (1026, 20456655), (1098, 19115235), (1159, 18109170), (1185, 17711838), (1415, 14832882), (1422, 14759865), (1501, 13983030), (1539, 13637770), (1647, 12743490), (1698, 12360735), (1710, 12273993), (1830, 11469141), (2133, 9839910), (2318, 9054585), (2370, 8855919), (2547, 8240490), (2565, 8182662), (2745, 7646094), (2830, 7416441), (3002, 6991515), (3078, 6818885), (3294, 6371745), (3477, 6036390), (3555, 5903946), (4245, 4944294), (4266, 4919955), (4503, 4661010), (4819, 4355370), (4941, 4247830), (5094, 4120245), (5130, 4091331), (5377, 3903390), (5490, 3823047), (5795, 3621834), (6399, 3279970), (6954, 3018195), (7110, 2951973), (7505, 2796606), (7641, 2746830), (7695, 2727554), (8235, 2548698), (8490, 2472147), (9006, 2330505), (9638, 2177685), (9882, 2123915), (10431, 2012130), (10665, 1967982), (10754, 1951695), (11590, 1810917), (12735, 1648098), (12798, 1639985), (13509, 1553670), (14457, 1451790), (15010, 1398303), (15282, 1373415), (15390, 1363777), (16131, 1301130), (16470, 1274349), (17263, 1215810), (17385, 1207278), (20862, 1006065), (21330, 983991), (22357, 938790), (22515, 932202), (22923, 915610), (24095, 871074), (24705, 849566), (25470, 824049), (26885, 780678), (27018, 776835), (28914, 725895), (31293, 670710), (31995, 655994), (32262, 650565), (34526, 607905), (34770, 603639), (38205, 549366), (40527, 517890), (43371, 483930), (44714, 469395), (45030, 466101), (45846, 457805), (48190, 435537), (48393, 433710), (49410, 424783), (51789, 405270), (52155, 402426), (53770, 390339), (62586, 335355), (63990, 327997), (67071, 312930), (67545, 310734), (72285, 290358), (76410, 274683), (80655, 260226), (81054, 258945), (86315, 243162), (86742, 241965), (91561, 229230), (93879, 223570), (96786, 216855), (103578, 202635), (104310, 201213), (111785, 187758), (114615, 183122), (121581, 172630), (130113, 161310), (134142, 156465), (135090, 155367), (144570, 145179)]