258570

素因数分解:

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

素因数の和:56

約数の個数: 72

約数和(自身を含む): 770796

約数和(自身を除く): 512226

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 169, 170, 195, 221, 234, 255, 306, 338, 390, 442, 507, 510, 585, 663, 765, 845, 1014, 1105, 1170, 1326, 1521, 1530, 1690, 1989, 2210, 2535, 2873, 3042, 3315, 3978, 5070, 5746, 6630, 7605, 8619, 9945, 14365, 15210, 17238, 19890, 25857, 28730, 43095, 51714, 86190, 129285, 258570]

約数ペア:

[(1, 258570), (2, 129285), (3, 86190), (5, 51714), (6, 43095), (9, 28730), (10, 25857), (13, 19890), (15, 17238), (17, 15210), (18, 14365), (26, 9945), (30, 8619), (34, 7605), (39, 6630), (45, 5746), (51, 5070), (65, 3978), (78, 3315), (85, 3042), (90, 2873), (102, 2535), (117, 2210), (130, 1989), (153, 1690), (169, 1530), (170, 1521), (195, 1326), (221, 1170), (234, 1105), (255, 1014), (306, 845), (338, 765), (390, 663), (442, 585), (507, 510)]