2271880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 5851440

約数和(自身を除く): 3579560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 257, 260, 340, 442, 514, 520, 680, 884, 1028, 1105, 1285, 1768, 2056, 2210, 2570, 3341, 4369, 4420, 5140, 6682, 8738, 8840, 10280, 13364, 16705, 17476, 21845, 26728, 33410, 34952, 43690, 56797, 66820, 87380, 113594, 133640, 174760, 227188, 283985, 454376, 567970, 1135940, 2271880]

約数ペア:

[(1, 2271880), (2, 1135940), (4, 567970), (5, 454376), (8, 283985), (10, 227188), (13, 174760), (17, 133640), (20, 113594), (26, 87380), (34, 66820), (40, 56797), (52, 43690), (65, 34952), (68, 33410), (85, 26728), (104, 21845), (130, 17476), (136, 16705), (170, 13364), (221, 10280), (257, 8840), (260, 8738), (340, 6682), (442, 5140), (514, 4420), (520, 4369), (680, 3341), (884, 2570), (1028, 2210), (1105, 2056), (1285, 1768)]