81666943120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1\times {\mathrm{3917}}^1$

素因数の和:5169

約数の個数: 160

約数和(自身を含む): 224244504576

約数和(自身を除く): 142577561456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1201, 1240, 1736, 2170, 2402, 2480, 3472, 3917, 4340, 4804, 6005, 7834, 8407, 8680, 9608, 12010, 15668, 16814, 17360, 19216, 19585, 24020, 27419, 31336, 33628, 37231, 39170, 42035, 48040, 54838, 62672, 67256, 74462, 78340, 84070, 96080, 109676, 121427, 134512, 137095, 148924, 156680, 168140, 186155, 219352, 242854, 260617, 274190, 297848, 313360, 336280, 372310, 438704, 485708, 521234, 548380, 595696, 607135, 672560, 744620, 849989, 971416, 1042468, 1096760, 1214270, 1303085, 1489240, 1699978, 1942832, 2084936, 2193520, 2428540, 2606170, 2978480, 3399956, 4169872, 4249945, 4704317, 4857080, 5212340, 6799912, 8499890, 9408634, 9714160, 10424680, 13599824, 16999780, 18817268, 20849360, 23521585, 32930219, 33999560, 37634536, 47043170, 65860438, 67999120, 75269072, 94086340, 131720876, 145833827, 164651095, 188172680, 263441752, 291667654, 329302190, 376345360, 526883504, 583335308, 658604380, 729169135, 1020836789, 1166670616, 1317208760, 1458338270, 2041673578, 2333341232, 2634417520, 2916676540, 4083347156, 5104183945, 5833353080, 8166694312, 10208367890, 11666706160, 16333388624, 20416735780, 40833471560, 81666943120]

約数ペア:

[(1, 81666943120), (2, 40833471560), (4, 20416735780), (5, 16333388624), (7, 11666706160), (8, 10208367890), (10, 8166694312), (14, 5833353080), (16, 5104183945), (20, 4083347156), (28, 2916676540), (31, 2634417520), (35, 2333341232), (40, 2041673578), (56, 1458338270), (62, 1317208760), (70, 1166670616), (80, 1020836789), (112, 729169135), (124, 658604380), (140, 583335308), (155, 526883504), (217, 376345360), (248, 329302190), (280, 291667654), (310, 263441752), (434, 188172680), (496, 164651095), (560, 145833827), (620, 131720876), (868, 94086340), (1085, 75269072), (1201, 67999120), (1240, 65860438), (1736, 47043170), (2170, 37634536), (2402, 33999560), (2480, 32930219), (3472, 23521585), (3917, 20849360), (4340, 18817268), (4804, 16999780), (6005, 13599824), (7834, 10424680), (8407, 9714160), (8680, 9408634), (9608, 8499890), (12010, 6799912), (15668, 5212340), (16814, 4857080), (17360, 4704317), (19216, 4249945), (19585, 4169872), (24020, 3399956), (27419, 2978480), (31336, 2606170), (33628, 2428540), (37231, 2193520), (39170, 2084936), (42035, 1942832), (48040, 1699978), (54838, 1489240), (62672, 1303085), (67256, 1214270), (74462, 1096760), (78340, 1042468), (84070, 971416), (96080, 849989), (109676, 744620), (121427, 672560), (134512, 607135), (137095, 595696), (148924, 548380), (156680, 521234), (168140, 485708), (186155, 438704), (219352, 372310), (242854, 336280), (260617, 313360), (274190, 297848)]