64519980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1031}}^1$

素因数の和:1199

約数の個数: 96

約数和(自身を含む): 208051200

約数和(自身を除く): 143531220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 596, 745, 894, 1031, 1043, 1490, 1788, 2062, 2086, 2235, 2980, 3093, 3129, 4124, 4172, 4470, 5155, 5215, 6186, 6258, 7217, 8940, 10310, 10430, 12372, 12516, 14434, 15465, 15645, 20620, 20860, 21651, 28868, 30930, 31290, 36085, 43302, 61860, 62580, 72170, 86604, 108255, 144340, 153619, 216510, 307238, 433020, 460857, 614476, 768095, 921714, 1075333, 1536190, 1843428, 2150666, 2304285, 3072380, 3225999, 4301332, 4608570, 5376665, 6451998, 9217140, 10753330, 12903996, 16129995, 21506660, 32259990, 64519980]

約数ペア:

[(1, 64519980), (2, 32259990), (3, 21506660), (4, 16129995), (5, 12903996), (6, 10753330), (7, 9217140), (10, 6451998), (12, 5376665), (14, 4608570), (15, 4301332), (20, 3225999), (21, 3072380), (28, 2304285), (30, 2150666), (35, 1843428), (42, 1536190), (60, 1075333), (70, 921714), (84, 768095), (105, 614476), (140, 460857), (149, 433020), (210, 307238), (298, 216510), (420, 153619), (447, 144340), (596, 108255), (745, 86604), (894, 72170), (1031, 62580), (1043, 61860), (1490, 43302), (1788, 36085), (2062, 31290), (2086, 30930), (2235, 28868), (2980, 21651), (3093, 20860), (3129, 20620), (4124, 15645), (4172, 15465), (4470, 14434), (5155, 12516), (5215, 12372), (6186, 10430), (6258, 10310), (7217, 8940)]