1278528020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{7759}}^1$

素因数の和:7893

約数の個数: 96

約数和(自身を含む): 3379138560

約数和(自身を除く): 2100610540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 107, 110, 140, 154, 214, 220, 308, 385, 428, 535, 749, 770, 1070, 1177, 1498, 1540, 2140, 2354, 2996, 3745, 4708, 5885, 7490, 7759, 8239, 11770, 14980, 15518, 16478, 23540, 31036, 32956, 38795, 41195, 54313, 77590, 82390, 85349, 108626, 155180, 164780, 170698, 217252, 271565, 341396, 426745, 543130, 597443, 830213, 853490, 1086260, 1194886, 1660426, 1706980, 2389772, 2987215, 3320852, 4151065, 5811491, 5974430, 8302130, 9132343, 11622982, 11948860, 16604260, 18264686, 23245964, 29057455, 36529372, 45661715, 58114910, 63926401, 91323430, 116229820, 127852802, 182646860, 255705604, 319632005, 639264010, 1278528020]

約数ペア:

[(1, 1278528020), (2, 639264010), (4, 319632005), (5, 255705604), (7, 182646860), (10, 127852802), (11, 116229820), (14, 91323430), (20, 63926401), (22, 58114910), (28, 45661715), (35, 36529372), (44, 29057455), (55, 23245964), (70, 18264686), (77, 16604260), (107, 11948860), (110, 11622982), (140, 9132343), (154, 8302130), (214, 5974430), (220, 5811491), (308, 4151065), (385, 3320852), (428, 2987215), (535, 2389772), (749, 1706980), (770, 1660426), (1070, 1194886), (1177, 1086260), (1498, 853490), (1540, 830213), (2140, 597443), (2354, 543130), (2996, 426745), (3745, 341396), (4708, 271565), (5885, 217252), (7490, 170698), (7759, 164780), (8239, 155180), (11770, 108626), (14980, 85349), (15518, 82390), (16478, 77590), (23540, 54313), (31036, 41195), (32956, 38795)]