253886640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21589}}^1$

素因数の和:21619

約数の個数: 120

約数和(自身を含む): 915588720

約数和(自身を除く): 661702080

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21589, 43178, 64767, 86356, 107945, 129534, 151123, 172712, 215890, 259068, 302246, 323835, 345424, 431780, 453369, 518136, 604492, 647670, 755615, 863560, 906738, 1036272, 1057861, 1208984, 1295340, 1511230, 1727120, 1813476, 2115722, 2266845, 2417968, 2590680, 3022460, 3173583, 3626952, 4231444, 4533690, 5181360, 5289305, 6044920, 6347166, 7253904, 8462888, 9067380, 10578610, 12089840, 12694332, 15867915, 16925776, 18134760, 21157220, 25388664, 31735830, 36269520, 42314440, 50777328, 63471660, 84628880, 126943320, 253886640]

約数ペア:

[(1, 253886640), (2, 126943320), (3, 84628880), (4, 63471660), (5, 50777328), (6, 42314440), (7, 36269520), (8, 31735830), (10, 25388664), (12, 21157220), (14, 18134760), (15, 16925776), (16, 15867915), (20, 12694332), (21, 12089840), (24, 10578610), (28, 9067380), (30, 8462888), (35, 7253904), (40, 6347166), (42, 6044920), (48, 5289305), (49, 5181360), (56, 4533690), (60, 4231444), (70, 3626952), (80, 3173583), (84, 3022460), (98, 2590680), (105, 2417968), (112, 2266845), (120, 2115722), (140, 1813476), (147, 1727120), (168, 1511230), (196, 1295340), (210, 1208984), (240, 1057861), (245, 1036272), (280, 906738), (294, 863560), (336, 755615), (392, 647670), (420, 604492), (490, 518136), (560, 453369), (588, 431780), (735, 345424), (784, 323835), (840, 302246), (980, 259068), (1176, 215890), (1470, 172712), (1680, 151123), (1960, 129534), (2352, 107945), (2940, 86356), (3920, 64767), (5880, 43178), (11760, 21589)]