68565490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1727

約数の個数: 64

約数和(自身を含む): 153354240

約数和(自身を除く): 84788750

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 589, 665, 1085, 1178, 1330, 1663, 2170, 2945, 3326, 4123, 5890, 8246, 8315, 11641, 16630, 20615, 23282, 31597, 41230, 51553, 58205, 63194, 103106, 116410, 157985, 221179, 257765, 315970, 360871, 442358, 515530, 721742, 979507, 1105895, 1804355, 1959014, 2211790, 3608710, 4897535, 6856549, 9795070, 13713098, 34282745, 68565490]

約数ペア:

[(1, 68565490), (2, 34282745), (5, 13713098), (7, 9795070), (10, 6856549), (14, 4897535), (19, 3608710), (31, 2211790), (35, 1959014), (38, 1804355), (62, 1105895), (70, 979507), (95, 721742), (133, 515530), (155, 442358), (190, 360871), (217, 315970), (266, 257765), (310, 221179), (434, 157985), (589, 116410), (665, 103106), (1085, 63194), (1178, 58205), (1330, 51553), (1663, 41230), (2170, 31597), (2945, 23282), (3326, 20615), (4123, 16630), (5890, 11641), (8246, 8315)]