81665416875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:639

約数の個数: 160

約数和(自身を含む): 158330917888

約数和(自身を除く): 76665501013

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 103, 105, 125, 175, 193, 309, 313, 375, 515, 525, 579, 625, 721, 875, 939, 965, 1351, 1545, 1565, 1875, 2163, 2191, 2575, 2625, 2895, 3605, 4053, 4375, 4695, 4825, 6573, 6755, 7725, 7825, 10815, 10955, 12875, 13125, 14475, 18025, 19879, 20265, 23475, 24125, 32239, 32865, 33775, 38625, 39125, 54075, 54775, 59637, 60409, 64375, 72375, 90125, 96717, 99395, 101325, 117375, 120625, 139153, 161195, 164325, 168875, 181227, 193125, 195625, 225673, 270375, 273875, 298185, 302045, 361875, 417459, 422863, 450625, 483585, 496975, 506625, 586875, 677019, 695765, 805975, 821625, 844375, 906135, 1128365, 1268589, 1351875, 1369375, 1490925, 1510225, 2087295, 2114315, 2417925, 2484875, 2533125, 3385095, 3478825, 4029875, 4108125, 4530675, 5641825, 6222127, 6342945, 7454625, 7551125, 10436475, 10571575, 12089625, 12424375, 16925475, 17394125, 18666381, 20149375, 22653375, 28209125, 31110635, 31714725, 37273125, 37755625, 43554889, 52182375, 52857875, 60448125, 84627375, 86970625, 93331905, 113266875, 130664667, 141045625, 155553175, 158573625, 217774445, 260911875, 264289375, 423136875, 466659525, 653323335, 777765875, 792868125, 1088872225, 2333297625, 3266616675, 3888829375, 5444361125, 11666488125, 16333083375, 27221805625, 81665416875]

約数ペア:

[(1, 81665416875), (3, 27221805625), (5, 16333083375), (7, 11666488125), (15, 5444361125), (21, 3888829375), (25, 3266616675), (35, 2333297625), (75, 1088872225), (103, 792868125), (105, 777765875), (125, 653323335), (175, 466659525), (193, 423136875), (309, 264289375), (313, 260911875), (375, 217774445), (515, 158573625), (525, 155553175), (579, 141045625), (625, 130664667), (721, 113266875), (875, 93331905), (939, 86970625), (965, 84627375), (1351, 60448125), (1545, 52857875), (1565, 52182375), (1875, 43554889), (2163, 37755625), (2191, 37273125), (2575, 31714725), (2625, 31110635), (2895, 28209125), (3605, 22653375), (4053, 20149375), (4375, 18666381), (4695, 17394125), (4825, 16925475), (6573, 12424375), (6755, 12089625), (7725, 10571575), (7825, 10436475), (10815, 7551125), (10955, 7454625), (12875, 6342945), (13125, 6222127), (14475, 5641825), (18025, 4530675), (19879, 4108125), (20265, 4029875), (23475, 3478825), (24125, 3385095), (32239, 2533125), (32865, 2484875), (33775, 2417925), (38625, 2114315), (39125, 2087295), (54075, 1510225), (54775, 1490925), (59637, 1369375), (60409, 1351875), (64375, 1268589), (72375, 1128365), (90125, 906135), (96717, 844375), (99395, 821625), (101325, 805975), (117375, 695765), (120625, 677019), (139153, 586875), (161195, 506625), (164325, 496975), (168875, 483585), (181227, 450625), (193125, 422863), (195625, 417459), (225673, 361875), (270375, 302045), (273875, 298185)]