221419620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:794

約数の個数: 144

約数和(自身を含む): 710760960

約数和(自身を除く): 489341340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 79, 90, 92, 115, 138, 158, 180, 207, 230, 237, 276, 316, 345, 395, 414, 460, 474, 677, 690, 711, 790, 828, 948, 1035, 1185, 1354, 1380, 1422, 1580, 1817, 2031, 2070, 2370, 2708, 2844, 3385, 3555, 3634, 4062, 4140, 4740, 5451, 6093, 6770, 7110, 7268, 8124, 9085, 10155, 10902, 12186, 13540, 14220, 15571, 16353, 18170, 20310, 21804, 24372, 27255, 30465, 31142, 32706, 36340, 40620, 46713, 53483, 54510, 60930, 62284, 65412, 77855, 81765, 93426, 106966, 109020, 121860, 140139, 155710, 160449, 163530, 186852, 213932, 233565, 267415, 280278, 311420, 320898, 327060, 467130, 481347, 534830, 560556, 641796, 700695, 802245, 934260, 962694, 1069660, 1230109, 1401390, 1604490, 1925388, 2406735, 2460218, 2802780, 3208980, 3690327, 4813470, 4920436, 6150545, 7380654, 9626940, 11070981, 12301090, 14761308, 18451635, 22141962, 24602180, 36903270, 44283924, 55354905, 73806540, 110709810, 221419620]

約数ペア:

[(1, 221419620), (2, 110709810), (3, 73806540), (4, 55354905), (5, 44283924), (6, 36903270), (9, 24602180), (10, 22141962), (12, 18451635), (15, 14761308), (18, 12301090), (20, 11070981), (23, 9626940), (30, 7380654), (36, 6150545), (45, 4920436), (46, 4813470), (60, 3690327), (69, 3208980), (79, 2802780), (90, 2460218), (92, 2406735), (115, 1925388), (138, 1604490), (158, 1401390), (180, 1230109), (207, 1069660), (230, 962694), (237, 934260), (276, 802245), (316, 700695), (345, 641796), (395, 560556), (414, 534830), (460, 481347), (474, 467130), (677, 327060), (690, 320898), (711, 311420), (790, 280278), (828, 267415), (948, 233565), (1035, 213932), (1185, 186852), (1354, 163530), (1380, 160449), (1422, 155710), (1580, 140139), (1817, 121860), (2031, 109020), (2070, 106966), (2370, 93426), (2708, 81765), (2844, 77855), (3385, 65412), (3555, 62284), (3634, 60930), (4062, 54510), (4140, 53483), (4740, 46713), (5451, 40620), (6093, 36340), (6770, 32706), (7110, 31142), (7268, 30465), (8124, 27255), (9085, 24372), (10155, 21804), (10902, 20310), (12186, 18170), (13540, 16353), (14220, 15571)]