278804520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^2$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 927531540

約数和(自身を除く): 648727020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 73, 90, 103, 120, 146, 180, 206, 219, 292, 309, 360, 365, 412, 438, 515, 584, 618, 657, 730, 824, 876, 927, 1030, 1095, 1236, 1314, 1460, 1545, 1752, 1854, 2060, 2190, 2472, 2628, 2920, 3090, 3285, 3708, 4120, 4380, 4635, 5256, 6180, 6570, 7416, 7519, 8760, 9270, 10609, 12360, 13140, 15038, 18540, 21218, 22557, 26280, 30076, 31827, 37080, 37595, 42436, 45114, 53045, 60152, 63654, 67671, 75190, 84872, 90228, 95481, 106090, 112785, 127308, 135342, 150380, 159135, 180456, 190962, 212180, 225570, 254616, 270684, 300760, 318270, 338355, 381924, 424360, 451140, 477405, 541368, 636540, 676710, 763848, 774457, 902280, 954810, 1273080, 1353420, 1548914, 1909620, 2323371, 2706840, 3097828, 3819240, 3872285, 4646742, 6195656, 6970113, 7744570, 9293484, 11616855, 13940226, 15489140, 18586968, 23233710, 27880452, 30978280, 34850565, 46467420, 55760904, 69701130, 92934840, 139402260, 278804520]

約数ペア:

[(1, 278804520), (2, 139402260), (3, 92934840), (4, 69701130), (5, 55760904), (6, 46467420), (8, 34850565), (9, 30978280), (10, 27880452), (12, 23233710), (15, 18586968), (18, 15489140), (20, 13940226), (24, 11616855), (30, 9293484), (36, 7744570), (40, 6970113), (45, 6195656), (60, 4646742), (72, 3872285), (73, 3819240), (90, 3097828), (103, 2706840), (120, 2323371), (146, 1909620), (180, 1548914), (206, 1353420), (219, 1273080), (292, 954810), (309, 902280), (360, 774457), (365, 763848), (412, 676710), (438, 636540), (515, 541368), (584, 477405), (618, 451140), (657, 424360), (730, 381924), (824, 338355), (876, 318270), (927, 300760), (1030, 270684), (1095, 254616), (1236, 225570), (1314, 212180), (1460, 190962), (1545, 180456), (1752, 159135), (1854, 150380), (2060, 135342), (2190, 127308), (2472, 112785), (2628, 106090), (2920, 95481), (3090, 90228), (3285, 84872), (3708, 75190), (4120, 67671), (4380, 63654), (4635, 60152), (5256, 53045), (6180, 45114), (6570, 42436), (7416, 37595), (7519, 37080), (8760, 31827), (9270, 30076), (10609, 26280), (12360, 22557), (13140, 21218), (15038, 18540)]