521532180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222877}}^1$

素因数の和:222905

約数の個数: 72

約数和(自身を含む): 1703679432

約数和(自身を除く): 1182147252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 222877, 445754, 668631, 891508, 1114385, 1337262, 2005893, 2228770, 2674524, 2897401, 3343155, 4011786, 4457540, 5794802, 6686310, 8023572, 8692203, 10029465, 11589604, 13372620, 14487005, 17384406, 20058930, 26076609, 28974010, 34768812, 40117860, 43461015, 52153218, 57948020, 86922030, 104306436, 130383045, 173844060, 260766090, 521532180]

約数ペア:

[(1, 521532180), (2, 260766090), (3, 173844060), (4, 130383045), (5, 104306436), (6, 86922030), (9, 57948020), (10, 52153218), (12, 43461015), (13, 40117860), (15, 34768812), (18, 28974010), (20, 26076609), (26, 20058930), (30, 17384406), (36, 14487005), (39, 13372620), (45, 11589604), (52, 10029465), (60, 8692203), (65, 8023572), (78, 6686310), (90, 5794802), (117, 4457540), (130, 4011786), (156, 3343155), (180, 2897401), (195, 2674524), (234, 2228770), (260, 2005893), (390, 1337262), (468, 1114385), (585, 891508), (780, 668631), (1170, 445754), (2340, 222877)]