217660920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58511}}^1$

素因数の和:58556

約数の個数: 64

約数和(自身を含む): 674058240

約数和(自身を除く): 456397320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 58511, 117022, 175533, 234044, 292555, 351066, 468088, 585110, 702132, 877665, 1170220, 1404264, 1755330, 1813841, 2340440, 3510660, 3627682, 5441523, 7021320, 7255364, 9069205, 10883046, 14510728, 18138410, 21766092, 27207615, 36276820, 43532184, 54415230, 72553640, 108830460, 217660920]

約数ペア:

[(1, 217660920), (2, 108830460), (3, 72553640), (4, 54415230), (5, 43532184), (6, 36276820), (8, 27207615), (10, 21766092), (12, 18138410), (15, 14510728), (20, 10883046), (24, 9069205), (30, 7255364), (31, 7021320), (40, 5441523), (60, 3627682), (62, 3510660), (93, 2340440), (120, 1813841), (124, 1755330), (155, 1404264), (186, 1170220), (248, 877665), (310, 702132), (372, 585110), (465, 468088), (620, 351066), (744, 292555), (930, 234044), (1240, 175533), (1860, 117022), (3720, 58511)]