12912985020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{39511}}^1$

素因数の和:39955

約数の個数: 96

約数和(自身を含む): 39031534080

約数和(自身を除く): 26118549060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 419, 780, 838, 1257, 1676, 2095, 2514, 4190, 5028, 5447, 6285, 8380, 10894, 12570, 16341, 21788, 25140, 27235, 32682, 39511, 54470, 65364, 79022, 81705, 108940, 118533, 158044, 163410, 197555, 237066, 326820, 395110, 474132, 513643, 592665, 790220, 1027286, 1185330, 1540929, 2054572, 2370660, 2568215, 3081858, 5136430, 6163716, 7704645, 10272860, 15409290, 16555109, 30818580, 33110218, 49665327, 66220436, 82775545, 99330654, 165551090, 198661308, 215216417, 248326635, 331102180, 430432834, 496653270, 645649251, 860865668, 993306540, 1076082085, 1291298502, 2152164170, 2582597004, 3228246255, 4304328340, 6456492510, 12912985020]

約数ペア:

[(1, 12912985020), (2, 6456492510), (3, 4304328340), (4, 3228246255), (5, 2582597004), (6, 2152164170), (10, 1291298502), (12, 1076082085), (13, 993306540), (15, 860865668), (20, 645649251), (26, 496653270), (30, 430432834), (39, 331102180), (52, 248326635), (60, 215216417), (65, 198661308), (78, 165551090), (130, 99330654), (156, 82775545), (195, 66220436), (260, 49665327), (390, 33110218), (419, 30818580), (780, 16555109), (838, 15409290), (1257, 10272860), (1676, 7704645), (2095, 6163716), (2514, 5136430), (4190, 3081858), (5028, 2568215), (5447, 2370660), (6285, 2054572), (8380, 1540929), (10894, 1185330), (12570, 1027286), (16341, 790220), (21788, 592665), (25140, 513643), (27235, 474132), (32682, 395110), (39511, 326820), (54470, 237066), (65364, 197555), (79022, 163410), (81705, 158044), (108940, 118533)]