128479780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 320060160

約数和(自身を除く): 191580380

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 167, 220, 260, 269, 286, 334, 538, 572, 668, 715, 835, 1076, 1345, 1430, 1670, 1837, 2171, 2690, 2860, 2959, 3340, 3497, 3674, 4342, 5380, 5918, 6994, 7348, 8684, 9185, 10855, 11836, 13988, 14795, 17485, 18370, 21710, 23881, 29590, 34970, 36740, 38467, 43420, 44923, 47762, 59180, 69940, 76934, 89846, 95524, 119405, 153868, 179692, 192335, 224615, 238810, 384670, 449230, 477620, 494153, 583999, 769340, 898460, 988306, 1167998, 1976612, 2335996, 2470765, 2919995, 4941530, 5839990, 6423989, 9883060, 11679980, 12847978, 25695956, 32119945, 64239890, 128479780]

約数ペア:

[(1, 128479780), (2, 64239890), (4, 32119945), (5, 25695956), (10, 12847978), (11, 11679980), (13, 9883060), (20, 6423989), (22, 5839990), (26, 4941530), (44, 2919995), (52, 2470765), (55, 2335996), (65, 1976612), (110, 1167998), (130, 988306), (143, 898460), (167, 769340), (220, 583999), (260, 494153), (269, 477620), (286, 449230), (334, 384670), (538, 238810), (572, 224615), (668, 192335), (715, 179692), (835, 153868), (1076, 119405), (1345, 95524), (1430, 89846), (1670, 76934), (1837, 69940), (2171, 59180), (2690, 47762), (2860, 44923), (2959, 43420), (3340, 38467), (3497, 36740), (3674, 34970), (4342, 29590), (5380, 23881), (5918, 21710), (6994, 18370), (7348, 17485), (8684, 14795), (9185, 13988), (10855, 11836)]