30215640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2767}}^1$

素因数の和:2801

約数の個数: 128

約数和(自身を含む): 111605760

約数和(自身を除く): 81390120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 2767, 3640, 5460, 5534, 8301, 10920, 11068, 13835, 16602, 19369, 22136, 27670, 33204, 35971, 38738, 41505, 55340, 58107, 66408, 71942, 77476, 83010, 96845, 107913, 110680, 116214, 143884, 154952, 166020, 179855, 193690, 215826, 232428, 251797, 287768, 290535, 332040, 359710, 387380, 431652, 464856, 503594, 539565, 581070, 719420, 755391, 774760, 863304, 1007188, 1079130, 1162140, 1258985, 1438840, 1510782, 2014376, 2158260, 2324280, 2517970, 3021564, 3776955, 4316520, 5035940, 6043128, 7553910, 10071880, 15107820, 30215640]

約数ペア:

[(1, 30215640), (2, 15107820), (3, 10071880), (4, 7553910), (5, 6043128), (6, 5035940), (7, 4316520), (8, 3776955), (10, 3021564), (12, 2517970), (13, 2324280), (14, 2158260), (15, 2014376), (20, 1510782), (21, 1438840), (24, 1258985), (26, 1162140), (28, 1079130), (30, 1007188), (35, 863304), (39, 774760), (40, 755391), (42, 719420), (52, 581070), (56, 539565), (60, 503594), (65, 464856), (70, 431652), (78, 387380), (84, 359710), (91, 332040), (104, 290535), (105, 287768), (120, 251797), (130, 232428), (140, 215826), (156, 193690), (168, 179855), (182, 166020), (195, 154952), (210, 143884), (260, 116214), (273, 110680), (280, 107913), (312, 96845), (364, 83010), (390, 77476), (420, 71942), (455, 66408), (520, 58107), (546, 55340), (728, 41505), (780, 38738), (840, 35971), (910, 33204), (1092, 27670), (1365, 22136), (1560, 19369), (1820, 16602), (2184, 13835), (2730, 11068), (2767, 10920), (3640, 8301), (5460, 5534)]