30212520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 99066240

約数和(自身を除く): 68853720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 107, 120, 130, 156, 181, 195, 214, 260, 312, 321, 362, 390, 428, 520, 535, 543, 642, 724, 780, 856, 905, 1070, 1086, 1284, 1391, 1448, 1560, 1605, 1810, 2140, 2172, 2353, 2568, 2715, 2782, 3210, 3620, 4173, 4280, 4344, 4706, 5430, 5564, 6420, 6955, 7059, 7240, 8346, 9412, 10860, 11128, 11765, 12840, 13910, 14118, 16692, 18824, 19367, 20865, 21720, 23530, 27820, 28236, 33384, 35295, 38734, 41730, 47060, 55640, 56472, 58101, 70590, 77468, 83460, 94120, 96835, 116202, 141180, 154936, 166920, 193670, 232404, 251771, 282360, 290505, 387340, 464808, 503542, 581010, 755313, 774680, 1007084, 1162020, 1258855, 1510626, 2014168, 2324040, 2517710, 3021252, 3776565, 5035420, 6042504, 7553130, 10070840, 15106260, 30212520]

約数ペア:

[(1, 30212520), (2, 15106260), (3, 10070840), (4, 7553130), (5, 6042504), (6, 5035420), (8, 3776565), (10, 3021252), (12, 2517710), (13, 2324040), (15, 2014168), (20, 1510626), (24, 1258855), (26, 1162020), (30, 1007084), (39, 774680), (40, 755313), (52, 581010), (60, 503542), (65, 464808), (78, 387340), (104, 290505), (107, 282360), (120, 251771), (130, 232404), (156, 193670), (181, 166920), (195, 154936), (214, 141180), (260, 116202), (312, 96835), (321, 94120), (362, 83460), (390, 77468), (428, 70590), (520, 58101), (535, 56472), (543, 55640), (642, 47060), (724, 41730), (780, 38734), (856, 35295), (905, 33384), (1070, 28236), (1086, 27820), (1284, 23530), (1391, 21720), (1448, 20865), (1560, 19367), (1605, 18824), (1810, 16692), (2140, 14118), (2172, 13910), (2353, 12840), (2568, 11765), (2715, 11128), (2782, 10860), (3210, 9412), (3620, 8346), (4173, 7240), (4280, 7059), (4344, 6955), (4706, 6420), (5430, 5564)]