215273940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1019}}^1$

素因数の和:1541

約数の個数: 96

約数和(自身を含む): 690923520

約数和(自身を除く): 475649580

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, 210, 420, 503, 1006, 1019, 1509, 2012, 2038, 2515, 3018, 3057, 3521, 4076, 5030, 5095, 6036, 6114, 7042, 7133, 7545, 10060, 10190, 10563, 12228, 14084, 14266, 15090, 15285, 17605, 20380, 21126, 21399, 28532, 30180, 30570, 35210, 35665, 42252, 42798, 52815, 61140, 70420, 71330, 85596, 105630, 106995, 142660, 211260, 213990, 427980, 512557, 1025114, 1537671, 2050228, 2562785, 3075342, 3587899, 5125570, 6150684, 7175798, 7688355, 10251140, 10763697, 14351596, 15376710, 17939495, 21527394, 30753420, 35878990, 43054788, 53818485, 71757980, 107636970, 215273940]

約数ペア:

[(1, 215273940), (2, 107636970), (3, 71757980), (4, 53818485), (5, 43054788), (6, 35878990), (7, 30753420), (10, 21527394), (12, 17939495), (14, 15376710), (15, 14351596), (20, 10763697), (21, 10251140), (28, 7688355), (30, 7175798), (35, 6150684), (42, 5125570), (60, 3587899), (70, 3075342), (84, 2562785), (105, 2050228), (140, 1537671), (210, 1025114), (420, 512557), (503, 427980), (1006, 213990), (1019, 211260), (1509, 142660), (2012, 106995), (2038, 105630), (2515, 85596), (3018, 71330), (3057, 70420), (3521, 61140), (4076, 52815), (5030, 42798), (5095, 42252), (6036, 35665), (6114, 35210), (7042, 30570), (7133, 30180), (7545, 28532), (10060, 21399), (10190, 21126), (10563, 20380), (12228, 17605), (14084, 15285), (14266, 15090)]