40258260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 141523200

約数和(自身を除く): 101264940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 359, 420, 445, 534, 623, 630, 718, 801, 890, 1068, 1077, 1246, 1260, 1335, 1436, 1602, 1780, 1795, 1869, 2154, 2492, 2513, 2670, 3115, 3204, 3231, 3590, 3738, 4005, 4308, 5026, 5340, 5385, 5607, 6230, 6462, 7180, 7476, 7539, 8010, 9345, 10052, 10770, 11214, 12460, 12565, 12924, 15078, 16020, 16155, 18690, 21540, 22428, 22617, 25130, 28035, 30156, 31951, 32310, 37380, 37695, 45234, 50260, 56070, 63902, 64620, 75390, 90468, 95853, 112140, 113085, 127804, 150780, 159755, 191706, 223657, 226170, 287559, 319510, 383412, 447314, 452340, 479265, 575118, 639020, 670971, 894628, 958530, 1118285, 1150236, 1341942, 1437795, 1917060, 2012913, 2236570, 2683884, 2875590, 3354855, 4025826, 4473140, 5751180, 6709710, 8051652, 10064565, 13419420, 20129130, 40258260]

約数ペア:

[(1, 40258260), (2, 20129130), (3, 13419420), (4, 10064565), (5, 8051652), (6, 6709710), (7, 5751180), (9, 4473140), (10, 4025826), (12, 3354855), (14, 2875590), (15, 2683884), (18, 2236570), (20, 2012913), (21, 1917060), (28, 1437795), (30, 1341942), (35, 1150236), (36, 1118285), (42, 958530), (45, 894628), (60, 670971), (63, 639020), (70, 575118), (84, 479265), (89, 452340), (90, 447314), (105, 383412), (126, 319510), (140, 287559), (178, 226170), (180, 223657), (210, 191706), (252, 159755), (267, 150780), (315, 127804), (356, 113085), (359, 112140), (420, 95853), (445, 90468), (534, 75390), (623, 64620), (630, 63902), (718, 56070), (801, 50260), (890, 45234), (1068, 37695), (1077, 37380), (1246, 32310), (1260, 31951), (1335, 30156), (1436, 28035), (1602, 25130), (1780, 22617), (1795, 22428), (1869, 21540), (2154, 18690), (2492, 16155), (2513, 16020), (2670, 15078), (3115, 12924), (3204, 12565), (3231, 12460), (3590, 11214), (3738, 10770), (4005, 10052), (4308, 9345), (5026, 8010), (5340, 7539), (5385, 7476), (5607, 7180), (6230, 6462)]