640596552

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 1779148800

約数和(自身を除く): 1138552248

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 46, 57, 69, 76, 92, 103, 114, 138, 152, 184, 206, 228, 276, 309, 412, 437, 456, 552, 593, 618, 824, 874, 1186, 1236, 1311, 1748, 1779, 1957, 2369, 2372, 2472, 2622, 3496, 3558, 3914, 4738, 4744, 5244, 5871, 7107, 7116, 7828, 9476, 10488, 11267, 11742, 13639, 14214, 14232, 15656, 18952, 22534, 23484, 27278, 28428, 33801, 40917, 45011, 45068, 46968, 54556, 56856, 61079, 67602, 81834, 90022, 90136, 109112, 122158, 135033, 135204, 163668, 180044, 183237, 244316, 259141, 270066, 270408, 327336, 360088, 366474, 488632, 518282, 540132, 732948, 777423, 1036564, 1080264, 1160501, 1404817, 1465896, 1554846, 2073128, 2321002, 2809634, 3109692, 3481503, 4214451, 4642004, 5619268, 6219384, 6963006, 8428902, 9284008, 11238536, 13926012, 16857804, 26691523, 27852024, 33715608, 53383046, 80074569, 106766092, 160149138, 213532184, 320298276, 640596552]

約数ペア:

[(1, 640596552), (2, 320298276), (3, 213532184), (4, 160149138), (6, 106766092), (8, 80074569), (12, 53383046), (19, 33715608), (23, 27852024), (24, 26691523), (38, 16857804), (46, 13926012), (57, 11238536), (69, 9284008), (76, 8428902), (92, 6963006), (103, 6219384), (114, 5619268), (138, 4642004), (152, 4214451), (184, 3481503), (206, 3109692), (228, 2809634), (276, 2321002), (309, 2073128), (412, 1554846), (437, 1465896), (456, 1404817), (552, 1160501), (593, 1080264), (618, 1036564), (824, 777423), (874, 732948), (1186, 540132), (1236, 518282), (1311, 488632), (1748, 366474), (1779, 360088), (1957, 327336), (2369, 270408), (2372, 270066), (2472, 259141), (2622, 244316), (3496, 183237), (3558, 180044), (3914, 163668), (4738, 135204), (4744, 135033), (5244, 122158), (5871, 109112), (7107, 90136), (7116, 90022), (7828, 81834), (9476, 67602), (10488, 61079), (11267, 56856), (11742, 54556), (13639, 46968), (14214, 45068), (14232, 45011), (15656, 40917), (18952, 33801), (22534, 28428), (23484, 27278)]