659880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:80

約数の個数: 128

約数和(自身を含む): 2419200

約数和(自身を除く): 1759320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 47, 52, 54, 60, 65, 72, 78, 90, 94, 104, 108, 117, 120, 130, 135, 141, 156, 180, 188, 195, 216, 234, 235, 260, 270, 282, 312, 351, 360, 376, 390, 423, 468, 470, 520, 540, 564, 585, 611, 702, 705, 780, 846, 936, 940, 1080, 1128, 1170, 1222, 1269, 1404, 1410, 1560, 1692, 1755, 1833, 1880, 2115, 2340, 2444, 2538, 2808, 2820, 3055, 3384, 3510, 3666, 4230, 4680, 4888, 5076, 5499, 5640, 6110, 6345, 7020, 7332, 8460, 9165, 10152, 10998, 12220, 12690, 14040, 14664, 16497, 16920, 18330, 21996, 24440, 25380, 27495, 32994, 36660, 43992, 50760, 54990, 65988, 73320, 82485, 109980, 131976, 164970, 219960, 329940, 659880]

約数ペア:

[(1, 659880), (2, 329940), (3, 219960), (4, 164970), (5, 131976), (6, 109980), (8, 82485), (9, 73320), (10, 65988), (12, 54990), (13, 50760), (15, 43992), (18, 36660), (20, 32994), (24, 27495), (26, 25380), (27, 24440), (30, 21996), (36, 18330), (39, 16920), (40, 16497), (45, 14664), (47, 14040), (52, 12690), (54, 12220), (60, 10998), (65, 10152), (72, 9165), (78, 8460), (90, 7332), (94, 7020), (104, 6345), (108, 6110), (117, 5640), (120, 5499), (130, 5076), (135, 4888), (141, 4680), (156, 4230), (180, 3666), (188, 3510), (195, 3384), (216, 3055), (234, 2820), (235, 2808), (260, 2538), (270, 2444), (282, 2340), (312, 2115), (351, 1880), (360, 1833), (376, 1755), (390, 1692), (423, 1560), (468, 1410), (470, 1404), (520, 1269), (540, 1222), (564, 1170), (585, 1128), (611, 1080), (702, 940), (705, 936), (780, 846)]