642449600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:563

約数の個数: 168

約数和(自身を含む): 1731587088

約数和(自身を除く): 1089137488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 67, 80, 100, 104, 130, 134, 160, 200, 208, 260, 268, 320, 325, 335, 400, 416, 461, 520, 536, 650, 670, 800, 832, 871, 922, 1040, 1072, 1300, 1340, 1600, 1675, 1742, 1844, 2080, 2144, 2305, 2600, 2680, 3350, 3484, 3688, 4160, 4288, 4355, 4610, 5200, 5360, 5993, 6700, 6968, 7376, 8710, 9220, 10400, 10720, 11525, 11986, 13400, 13936, 14752, 17420, 18440, 20800, 21440, 21775, 23050, 23972, 26800, 27872, 29504, 29965, 30887, 34840, 36880, 43550, 46100, 47944, 53600, 55744, 59930, 61774, 69680, 73760, 87100, 92200, 95888, 107200, 119860, 123548, 139360, 147520, 149825, 154435, 174200, 184400, 191776, 239720, 247096, 278720, 299650, 308870, 348400, 368800, 383552, 401531, 479440, 494192, 599300, 617740, 696800, 737600, 772175, 803062, 958880, 988384, 1198600, 1235480, 1393600, 1544350, 1606124, 1917760, 1976768, 2007655, 2397200, 2470960, 3088700, 3212248, 4015310, 4794400, 4941920, 6177400, 6424496, 8030620, 9588800, 9883840, 10038275, 12354800, 12848992, 16061240, 20076550, 24709600, 25697984, 32122480, 40153100, 49419200, 64244960, 80306200, 128489920, 160612400, 321224800, 642449600]

約数ペア:

[(1, 642449600), (2, 321224800), (4, 160612400), (5, 128489920), (8, 80306200), (10, 64244960), (13, 49419200), (16, 40153100), (20, 32122480), (25, 25697984), (26, 24709600), (32, 20076550), (40, 16061240), (50, 12848992), (52, 12354800), (64, 10038275), (65, 9883840), (67, 9588800), (80, 8030620), (100, 6424496), (104, 6177400), (130, 4941920), (134, 4794400), (160, 4015310), (200, 3212248), (208, 3088700), (260, 2470960), (268, 2397200), (320, 2007655), (325, 1976768), (335, 1917760), (400, 1606124), (416, 1544350), (461, 1393600), (520, 1235480), (536, 1198600), (650, 988384), (670, 958880), (800, 803062), (832, 772175), (871, 737600), (922, 696800), (1040, 617740), (1072, 599300), (1300, 494192), (1340, 479440), (1600, 401531), (1675, 383552), (1742, 368800), (1844, 348400), (2080, 308870), (2144, 299650), (2305, 278720), (2600, 247096), (2680, 239720), (3350, 191776), (3484, 184400), (3688, 174200), (4160, 154435), (4288, 149825), (4355, 147520), (4610, 139360), (5200, 123548), (5360, 119860), (5993, 107200), (6700, 95888), (6968, 92200), (7376, 87100), (8710, 73760), (9220, 69680), (10400, 61774), (10720, 59930), (11525, 55744), (11986, 53600), (13400, 47944), (13936, 46100), (14752, 43550), (17420, 36880), (18440, 34840), (20800, 30887), (21440, 29965), (21775, 29504), (23050, 27872), (23972, 26800)]