1231545840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1493}}^1$

素因数の和:2007

約数の個数: 160

約数和(自身を含む): 4375005696

約数和(自身を除く): 3143459856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 491, 560, 840, 982, 1473, 1493, 1680, 1964, 2455, 2946, 2986, 3437, 3928, 4479, 4910, 5892, 5972, 6874, 7365, 7465, 7856, 8958, 9820, 10311, 10451, 11784, 11944, 13748, 14730, 14930, 17185, 17916, 19640, 20622, 20902, 22395, 23568, 23888, 27496, 29460, 29860, 31353, 34370, 35832, 39280, 41244, 41804, 44790, 51555, 52255, 54992, 58920, 59720, 62706, 68740, 71664, 82488, 83608, 89580, 103110, 104510, 117840, 119440, 125412, 137480, 156765, 164976, 167216, 179160, 206220, 209020, 250824, 274960, 313530, 358320, 412440, 418040, 501648, 627060, 733063, 824880, 836080, 1254120, 1466126, 2199189, 2508240, 2932252, 3665315, 4398378, 5131441, 5864504, 7330630, 8796756, 10262882, 10995945, 11729008, 14661260, 15394323, 17593512, 20525764, 21991890, 25657205, 29322520, 30788646, 35187024, 41051528, 43983780, 51314410, 58645040, 61577292, 76971615, 82103056, 87967560, 102628820, 123154584, 153943230, 175935120, 205257640, 246309168, 307886460, 410515280, 615772920, 1231545840]

約数ペア:

[(1, 1231545840), (2, 615772920), (3, 410515280), (4, 307886460), (5, 246309168), (6, 205257640), (7, 175935120), (8, 153943230), (10, 123154584), (12, 102628820), (14, 87967560), (15, 82103056), (16, 76971615), (20, 61577292), (21, 58645040), (24, 51314410), (28, 43983780), (30, 41051528), (35, 35187024), (40, 30788646), (42, 29322520), (48, 25657205), (56, 21991890), (60, 20525764), (70, 17593512), (80, 15394323), (84, 14661260), (105, 11729008), (112, 10995945), (120, 10262882), (140, 8796756), (168, 7330630), (210, 5864504), (240, 5131441), (280, 4398378), (336, 3665315), (420, 2932252), (491, 2508240), (560, 2199189), (840, 1466126), (982, 1254120), (1473, 836080), (1493, 824880), (1680, 733063), (1964, 627060), (2455, 501648), (2946, 418040), (2986, 412440), (3437, 358320), (3928, 313530), (4479, 274960), (4910, 250824), (5892, 209020), (5972, 206220), (6874, 179160), (7365, 167216), (7465, 164976), (7856, 156765), (8958, 137480), (9820, 125412), (10311, 119440), (10451, 117840), (11784, 104510), (11944, 103110), (13748, 89580), (14730, 83608), (14930, 82488), (17185, 71664), (17916, 68740), (19640, 62706), (20622, 59720), (20902, 58920), (22395, 54992), (23568, 52255), (23888, 51555), (27496, 44790), (29460, 41804), (29860, 41244), (31353, 39280), (34370, 35832)]