65204520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31963}}^1$

素因数の和:31994

約数の個数: 64

約数和(自身を含む): 207126720

約数和(自身を除く): 141922200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 31963, 63926, 95889, 127852, 159815, 191778, 255704, 319630, 383556, 479445, 543371, 639260, 767112, 958890, 1086742, 1278520, 1630113, 1917780, 2173484, 2716855, 3260226, 3835560, 4346968, 5433710, 6520452, 8150565, 10867420, 13040904, 16301130, 21734840, 32602260, 65204520]

約数ペア:

[(1, 65204520), (2, 32602260), (3, 21734840), (4, 16301130), (5, 13040904), (6, 10867420), (8, 8150565), (10, 6520452), (12, 5433710), (15, 4346968), (17, 3835560), (20, 3260226), (24, 2716855), (30, 2173484), (34, 1917780), (40, 1630113), (51, 1278520), (60, 1086742), (68, 958890), (85, 767112), (102, 639260), (120, 543371), (136, 479445), (170, 383556), (204, 319630), (255, 255704), (340, 191778), (408, 159815), (510, 127852), (680, 95889), (1020, 63926), (2040, 31963)]