64662900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 204986880

約数和(自身を除く): 140323980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 31, 34, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 124, 150, 155, 170, 186, 204, 255, 300, 310, 340, 372, 409, 425, 465, 510, 527, 620, 775, 818, 850, 930, 1020, 1054, 1227, 1275, 1550, 1581, 1636, 1700, 1860, 2045, 2108, 2325, 2454, 2550, 2635, 3100, 3162, 4090, 4650, 4908, 5100, 5270, 6135, 6324, 6953, 7905, 8180, 9300, 10225, 10540, 12270, 12679, 13175, 13906, 15810, 20450, 20859, 24540, 25358, 26350, 27812, 30675, 31620, 34765, 38037, 39525, 40900, 41718, 50716, 52700, 61350, 63395, 69530, 76074, 79050, 83436, 104295, 122700, 126790, 139060, 152148, 158100, 173825, 190185, 208590, 215543, 253580, 316975, 347650, 380370, 417180, 431086, 521475, 633950, 646629, 695300, 760740, 862172, 950925, 1042950, 1077715, 1267900, 1293258, 1901850, 2085900, 2155430, 2586516, 3233145, 3803700, 4310860, 5388575, 6466290, 10777150, 12932580, 16165725, 21554300, 32331450, 64662900]

約数ペア:

[(1, 64662900), (2, 32331450), (3, 21554300), (4, 16165725), (5, 12932580), (6, 10777150), (10, 6466290), (12, 5388575), (15, 4310860), (17, 3803700), (20, 3233145), (25, 2586516), (30, 2155430), (31, 2085900), (34, 1901850), (50, 1293258), (51, 1267900), (60, 1077715), (62, 1042950), (68, 950925), (75, 862172), (85, 760740), (93, 695300), (100, 646629), (102, 633950), (124, 521475), (150, 431086), (155, 417180), (170, 380370), (186, 347650), (204, 316975), (255, 253580), (300, 215543), (310, 208590), (340, 190185), (372, 173825), (409, 158100), (425, 152148), (465, 139060), (510, 126790), (527, 122700), (620, 104295), (775, 83436), (818, 79050), (850, 76074), (930, 69530), (1020, 63395), (1054, 61350), (1227, 52700), (1275, 50716), (1550, 41718), (1581, 40900), (1636, 39525), (1700, 38037), (1860, 34765), (2045, 31620), (2108, 30675), (2325, 27812), (2454, 26350), (2550, 25358), (2635, 24540), (3100, 20859), (3162, 20450), (4090, 15810), (4650, 13906), (4908, 13175), (5100, 12679), (5270, 12270), (6135, 10540), (6324, 10225), (6953, 9300), (7905, 8180)]