71139420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 259983360

約数和(自身を除く): 188843940

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, 60, 61, 62, 66, 76, 90, 93, 95, 99, 110, 114, 122, 124, 132, 155, 165, 171, 180, 183, 186, 190, 198, 209, 220, 228, 244, 279, 285, 305, 310, 330, 341, 342, 366, 372, 380, 396, 418, 465, 495, 549, 558, 570, 589, 610, 620, 627, 660, 671, 682, 684, 732, 836, 855, 915, 930, 990, 1023, 1045, 1098, 1116, 1140, 1159, 1178, 1220, 1254, 1342, 1364, 1395, 1705, 1710, 1767, 1830, 1860, 1881, 1891, 1980, 2013, 2046, 2090, 2196, 2318, 2356, 2508, 2684, 2745, 2790, 2945, 3069, 3135, 3355, 3410, 3420, 3477, 3534, 3660, 3762, 3782, 4026, 4092, 4180, 4636, 5115, 5301, 5490, 5580, 5673, 5795, 5890, 6039, 6138, 6270, 6479, 6710, 6820, 6954, 7068, 7524, 7564, 8052, 8835, 9405, 9455, 10065, 10230, 10431, 10602, 10980, 11346, 11590, 11780, 12078, 12276, 12540, 12749, 12958, 13420, 13908, 15345, 17019, 17385, 17670, 18810, 18910, 19437, 20130, 20460, 20801, 20862, 21204, 22692, 23180, 24156, 25498, 25916, 26505, 28365, 30195, 30690, 32395, 34038, 34770, 35340, 35929, 37620, 37820, 38247, 38874, 40260, 41602, 41724, 50996, 52155, 53010, 56730, 58311, 60390, 61380, 62403, 63745, 64790, 68076, 69540, 71858, 76494, 77748, 83204, 85095, 97185, 104005, 104310, 106020, 107787, 113460, 114741, 116622, 120780, 124806, 127490, 129580, 143716, 152988, 170190, 179645, 187209, 191235, 194370, 208010, 208620, 215574, 229482, 233244, 249612, 254980, 291555, 312015, 323361, 340380, 359290, 374418, 382470, 388740, 395219, 416020, 431148, 458964, 538935, 573705, 583110, 624030, 646722, 718580, 748836, 764940, 790438, 936045, 1077870, 1147410, 1166220, 1185657, 1248060, 1293444, 1580876, 1616805, 1872090, 1976095, 2155740, 2294820, 2371314, 3233610, 3556971, 3744180, 3952190, 4742628, 5928285, 6467220, 7113942, 7904380, 11856570, 14227884, 17784855, 23713140, 35569710, 71139420]

約数ペア:

[(1, 71139420), (2, 35569710), (3, 23713140), (4, 17784855), (5, 14227884), (6, 11856570), (9, 7904380), (10, 7113942), (11, 6467220), (12, 5928285), (15, 4742628), (18, 3952190), (19, 3744180), (20, 3556971), (22, 3233610), (30, 2371314), (31, 2294820), (33, 2155740), (36, 1976095), (38, 1872090), (44, 1616805), (45, 1580876), (55, 1293444), (57, 1248060), (60, 1185657), (61, 1166220), (62, 1147410), (66, 1077870), (76, 936045), (90, 790438), (93, 764940), (95, 748836), (99, 718580), (110, 646722), (114, 624030), (122, 583110), (124, 573705), (132, 538935), (155, 458964), (165, 431148), (171, 416020), (180, 395219), (183, 388740), (186, 382470), (190, 374418), (198, 359290), (209, 340380), (220, 323361), (228, 312015), (244, 291555), (279, 254980), (285, 249612), (305, 233244), (310, 229482), (330, 215574), (341, 208620), (342, 208010), (366, 194370), (372, 191235), (380, 187209), (396, 179645), (418, 170190), (465, 152988), (495, 143716), (549, 129580), (558, 127490), (570, 124806), (589, 120780), (610, 116622), (620, 114741), (627, 113460), (660, 107787), (671, 106020), (682, 104310), (684, 104005), (732, 97185), (836, 85095), (855, 83204), (915, 77748), (930, 76494), (990, 71858), (1023, 69540), (1045, 68076), (1098, 64790), (1116, 63745), (1140, 62403), (1159, 61380), (1178, 60390), (1220, 58311), (1254, 56730), (1342, 53010), (1364, 52155), (1395, 50996), (1705, 41724), (1710, 41602), (1767, 40260), (1830, 38874), (1860, 38247), (1881, 37820), (1891, 37620), (1980, 35929), (2013, 35340), (2046, 34770), (2090, 34038), (2196, 32395), (2318, 30690), (2356, 30195), (2508, 28365), (2684, 26505), (2745, 25916), (2790, 25498), (2945, 24156), (3069, 23180), (3135, 22692), (3355, 21204), (3410, 20862), (3420, 20801), (3477, 20460), (3534, 20130), (3660, 19437), (3762, 18910), (3782, 18810), (4026, 17670), (4092, 17385), (4180, 17019), (4636, 15345), (5115, 13908), (5301, 13420), (5490, 12958), (5580, 12749), (5673, 12540), (5795, 12276), (5890, 12078), (6039, 11780), (6138, 11590), (6270, 11346), (6479, 10980), (6710, 10602), (6820, 10431), (6954, 10230), (7068, 10065), (7524, 9455), (7564, 9405), (8052, 8835)]