68806980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 288

約数和(自身を含む): 251596800

約数和(自身を除く): 182789820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 31, 33, 36, 38, 44, 45, 55, 57, 59, 60, 62, 66, 76, 90, 93, 95, 99, 110, 114, 118, 124, 132, 155, 165, 171, 177, 180, 186, 190, 198, 209, 220, 228, 236, 279, 285, 295, 310, 330, 341, 342, 354, 372, 380, 396, 418, 465, 495, 531, 558, 570, 589, 590, 620, 627, 649, 660, 682, 684, 708, 836, 855, 885, 930, 990, 1023, 1045, 1062, 1116, 1121, 1140, 1178, 1180, 1254, 1298, 1364, 1395, 1705, 1710, 1767, 1770, 1829, 1860, 1881, 1947, 1980, 2046, 2090, 2124, 2242, 2356, 2508, 2596, 2655, 2790, 2945, 3069, 3135, 3245, 3363, 3410, 3420, 3534, 3540, 3658, 3762, 3894, 4092, 4180, 4484, 5115, 5301, 5310, 5487, 5580, 5605, 5841, 5890, 6138, 6270, 6479, 6490, 6726, 6820, 7068, 7316, 7524, 7788, 8835, 9145, 9405, 9735, 10089, 10230, 10602, 10620, 10974, 11210, 11682, 11780, 12276, 12331, 12540, 12958, 12980, 13452, 15345, 16461, 16815, 17670, 18290, 18810, 19437, 19470, 20119, 20178, 20460, 21204, 21948, 22420, 23364, 24662, 25916, 26505, 27435, 29205, 30690, 32395, 32922, 33630, 34751, 35340, 36580, 36993, 37620, 38874, 38940, 40238, 40356, 49324, 50445, 53010, 54870, 58311, 58410, 60357, 61380, 61655, 64790, 65844, 67260, 69502, 73986, 77748, 80476, 82305, 97185, 100595, 100890, 104253, 106020, 109740, 110979, 116622, 116820, 120714, 123310, 129580, 139004, 147972, 164610, 173755, 181071, 184965, 194370, 201190, 201780, 208506, 221958, 233244, 241428, 246620, 291555, 301785, 312759, 329220, 347510, 362142, 369930, 382261, 388740, 402380, 417012, 443916, 521265, 554895, 583110, 603570, 625518, 695020, 724284, 739860, 764522, 905355, 1042530, 1109790, 1146783, 1166220, 1207140, 1251036, 1529044, 1563795, 1810710, 1911305, 2085060, 2219580, 2293566, 3127590, 3440349, 3621420, 3822610, 4587132, 5733915, 6255180, 6880698, 7645220, 11467830, 13761396, 17201745, 22935660, 34403490, 68806980]

約数ペア:

[(1, 68806980), (2, 34403490), (3, 22935660), (4, 17201745), (5, 13761396), (6, 11467830), (9, 7645220), (10, 6880698), (11, 6255180), (12, 5733915), (15, 4587132), (18, 3822610), (19, 3621420), (20, 3440349), (22, 3127590), (30, 2293566), (31, 2219580), (33, 2085060), (36, 1911305), (38, 1810710), (44, 1563795), (45, 1529044), (55, 1251036), (57, 1207140), (59, 1166220), (60, 1146783), (62, 1109790), (66, 1042530), (76, 905355), (90, 764522), (93, 739860), (95, 724284), (99, 695020), (110, 625518), (114, 603570), (118, 583110), (124, 554895), (132, 521265), (155, 443916), (165, 417012), (171, 402380), (177, 388740), (180, 382261), (186, 369930), (190, 362142), (198, 347510), (209, 329220), (220, 312759), (228, 301785), (236, 291555), (279, 246620), (285, 241428), (295, 233244), (310, 221958), (330, 208506), (341, 201780), (342, 201190), (354, 194370), (372, 184965), (380, 181071), (396, 173755), (418, 164610), (465, 147972), (495, 139004), (531, 129580), (558, 123310), (570, 120714), (589, 116820), (590, 116622), (620, 110979), (627, 109740), (649, 106020), (660, 104253), (682, 100890), (684, 100595), (708, 97185), (836, 82305), (855, 80476), (885, 77748), (930, 73986), (990, 69502), (1023, 67260), (1045, 65844), (1062, 64790), (1116, 61655), (1121, 61380), (1140, 60357), (1178, 58410), (1180, 58311), (1254, 54870), (1298, 53010), (1364, 50445), (1395, 49324), (1705, 40356), (1710, 40238), (1767, 38940), (1770, 38874), (1829, 37620), (1860, 36993), (1881, 36580), (1947, 35340), (1980, 34751), (2046, 33630), (2090, 32922), (2124, 32395), (2242, 30690), (2356, 29205), (2508, 27435), (2596, 26505), (2655, 25916), (2790, 24662), (2945, 23364), (3069, 22420), (3135, 21948), (3245, 21204), (3363, 20460), (3410, 20178), (3420, 20119), (3534, 19470), (3540, 19437), (3658, 18810), (3762, 18290), (3894, 17670), (4092, 16815), (4180, 16461), (4484, 15345), (5115, 13452), (5301, 12980), (5310, 12958), (5487, 12540), (5580, 12331), (5605, 12276), (5841, 11780), (5890, 11682), (6138, 11210), (6270, 10974), (6479, 10620), (6490, 10602), (6726, 10230), (6820, 10089), (7068, 9735), (7316, 9405), (7524, 9145), (7788, 8835)]