64139250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 192890880

約数和(自身を除く): 128751630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 125, 133, 150, 175, 190, 210, 250, 266, 285, 350, 375, 399, 475, 525, 570, 643, 665, 750, 798, 875, 950, 1050, 1286, 1330, 1425, 1750, 1929, 1995, 2375, 2625, 2850, 3215, 3325, 3858, 3990, 4501, 4750, 5250, 6430, 6650, 7125, 9002, 9645, 9975, 12217, 13503, 14250, 16075, 16625, 19290, 19950, 22505, 24434, 27006, 32150, 33250, 36651, 45010, 48225, 49875, 61085, 67515, 73302, 80375, 85519, 96450, 99750, 112525, 122170, 135030, 160750, 171038, 183255, 225050, 241125, 256557, 305425, 337575, 366510, 427595, 482250, 513114, 562625, 610850, 675150, 855190, 916275, 1125250, 1282785, 1527125, 1687875, 1832550, 2137975, 2565570, 3054250, 3375750, 4275950, 4581375, 6413925, 9162750, 10689875, 12827850, 21379750, 32069625, 64139250]

約数ペア:

[(1, 64139250), (2, 32069625), (3, 21379750), (5, 12827850), (6, 10689875), (7, 9162750), (10, 6413925), (14, 4581375), (15, 4275950), (19, 3375750), (21, 3054250), (25, 2565570), (30, 2137975), (35, 1832550), (38, 1687875), (42, 1527125), (50, 1282785), (57, 1125250), (70, 916275), (75, 855190), (95, 675150), (105, 610850), (114, 562625), (125, 513114), (133, 482250), (150, 427595), (175, 366510), (190, 337575), (210, 305425), (250, 256557), (266, 241125), (285, 225050), (350, 183255), (375, 171038), (399, 160750), (475, 135030), (525, 122170), (570, 112525), (643, 99750), (665, 96450), (750, 85519), (798, 80375), (875, 73302), (950, 67515), (1050, 61085), (1286, 49875), (1330, 48225), (1425, 45010), (1750, 36651), (1929, 33250), (1995, 32150), (2375, 27006), (2625, 24434), (2850, 22505), (3215, 19950), (3325, 19290), (3858, 16625), (3990, 16075), (4501, 14250), (4750, 13503), (5250, 12217), (6430, 9975), (6650, 9645), (7125, 9002)]