212266920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1415

約数の個数: 128

約数和(自身を含む): 673136640

約数和(自身を除く): 460869720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1240, 1290, 1327, 1333, 1720, 1860, 2580, 2654, 2666, 3720, 3981, 3999, 5160, 5308, 5332, 6635, 6665, 7962, 7998, 10616, 10664, 13270, 13330, 15924, 15996, 19905, 19995, 26540, 26660, 31848, 31992, 39810, 39990, 41137, 53080, 53320, 57061, 79620, 79980, 82274, 114122, 123411, 159240, 159960, 164548, 171183, 205685, 228244, 246822, 285305, 329096, 342366, 411370, 456488, 493644, 570610, 617055, 684732, 822740, 855915, 987288, 1141220, 1234110, 1369464, 1645480, 1711830, 1768891, 2282440, 2468220, 3423660, 3537782, 4936440, 5306673, 6847320, 7075564, 8844455, 10613346, 14151128, 17688910, 21226692, 26533365, 35377820, 42453384, 53066730, 70755640, 106133460, 212266920]

約数ペア:

[(1, 212266920), (2, 106133460), (3, 70755640), (4, 53066730), (5, 42453384), (6, 35377820), (8, 26533365), (10, 21226692), (12, 17688910), (15, 14151128), (20, 10613346), (24, 8844455), (30, 7075564), (31, 6847320), (40, 5306673), (43, 4936440), (60, 3537782), (62, 3423660), (86, 2468220), (93, 2282440), (120, 1768891), (124, 1711830), (129, 1645480), (155, 1369464), (172, 1234110), (186, 1141220), (215, 987288), (248, 855915), (258, 822740), (310, 684732), (344, 617055), (372, 570610), (430, 493644), (465, 456488), (516, 411370), (620, 342366), (645, 329096), (744, 285305), (860, 246822), (930, 228244), (1032, 205685), (1240, 171183), (1290, 164548), (1327, 159960), (1333, 159240), (1720, 123411), (1860, 114122), (2580, 82274), (2654, 79980), (2666, 79620), (3720, 57061), (3981, 53320), (3999, 53080), (5160, 41137), (5308, 39990), (5332, 39810), (6635, 31992), (6665, 31848), (7962, 26660), (7998, 26540), (10616, 19995), (10664, 19905), (13270, 15996), (13330, 15924)]