641417550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 1626324480

約数和(自身を除く): 984906930

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 229, 263, 355, 426, 458, 526, 687, 710, 789, 1065, 1145, 1315, 1374, 1578, 1775, 2130, 2290, 2630, 3435, 3550, 3945, 5325, 5725, 6575, 6870, 7890, 10650, 11450, 13150, 16259, 17175, 18673, 19725, 32518, 34350, 37346, 39450, 48777, 56019, 60227, 81295, 93365, 97554, 112038, 120454, 162590, 180681, 186730, 243885, 280095, 301135, 361362, 406475, 466825, 487770, 560190, 602270, 812950, 903405, 933650, 1219425, 1400475, 1505675, 1806810, 2438850, 2800950, 3011350, 4276117, 4517025, 8552234, 9034050, 12828351, 21380585, 25656702, 42761170, 64141755, 106902925, 128283510, 213805850, 320708775, 641417550]

約数ペア:

[(1, 641417550), (2, 320708775), (3, 213805850), (5, 128283510), (6, 106902925), (10, 64141755), (15, 42761170), (25, 25656702), (30, 21380585), (50, 12828351), (71, 9034050), (75, 8552234), (142, 4517025), (150, 4276117), (213, 3011350), (229, 2800950), (263, 2438850), (355, 1806810), (426, 1505675), (458, 1400475), (526, 1219425), (687, 933650), (710, 903405), (789, 812950), (1065, 602270), (1145, 560190), (1315, 487770), (1374, 466825), (1578, 406475), (1775, 361362), (2130, 301135), (2290, 280095), (2630, 243885), (3435, 186730), (3550, 180681), (3945, 162590), (5325, 120454), (5725, 112038), (6575, 97554), (6870, 93365), (7890, 81295), (10650, 60227), (11450, 56019), (13150, 48777), (16259, 39450), (17175, 37346), (18673, 34350), (19725, 32518)]