2012920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 5745600

約数和(自身を除く): 3732680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 79, 91, 98, 104, 130, 140, 158, 182, 196, 245, 260, 280, 316, 364, 392, 395, 455, 490, 520, 553, 632, 637, 728, 790, 910, 980, 1027, 1106, 1274, 1580, 1820, 1960, 2054, 2212, 2548, 2765, 3160, 3185, 3640, 3871, 4108, 4424, 5096, 5135, 5530, 6370, 7189, 7742, 8216, 10270, 11060, 12740, 14378, 15484, 19355, 20540, 22120, 25480, 28756, 30968, 35945, 38710, 41080, 50323, 57512, 71890, 77420, 100646, 143780, 154840, 201292, 251615, 287560, 402584, 503230, 1006460, 2012920]

約数ペア:

[(1, 2012920), (2, 1006460), (4, 503230), (5, 402584), (7, 287560), (8, 251615), (10, 201292), (13, 154840), (14, 143780), (20, 100646), (26, 77420), (28, 71890), (35, 57512), (40, 50323), (49, 41080), (52, 38710), (56, 35945), (65, 30968), (70, 28756), (79, 25480), (91, 22120), (98, 20540), (104, 19355), (130, 15484), (140, 14378), (158, 12740), (182, 11060), (196, 10270), (245, 8216), (260, 7742), (280, 7189), (316, 6370), (364, 5530), (392, 5135), (395, 5096), (455, 4424), (490, 4108), (520, 3871), (553, 3640), (632, 3185), (637, 3160), (728, 2765), (790, 2548), (910, 2212), (980, 2054), (1027, 1960), (1106, 1820), (1274, 1580)]