1979640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:83

約数の個数: 160

約数和(自身を含む): 7318080

約数和(自身を除く): 5338440

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, 81, 90, 94, 104, 108, 117, 120, 130, 135, 141, 156, 162, 180, 188, 195, 216, 234, 235, 260, 270, 282, 312, 324, 351, 360, 376, 390, 405, 423, 468, 470, 520, 540, 564, 585, 611, 648, 702, 705, 780, 810, 846, 936, 940, 1053, 1080, 1128, 1170, 1222, 1269, 1404, 1410, 1560, 1620, 1692, 1755, 1833, 1880, 2106, 2115, 2340, 2444, 2538, 2808, 2820, 3055, 3240, 3384, 3510, 3666, 3807, 4212, 4230, 4680, 4888, 5076, 5265, 5499, 5640, 6110, 6345, 7020, 7332, 7614, 8424, 8460, 9165, 10152, 10530, 10998, 12220, 12690, 14040, 14664, 15228, 16497, 16920, 18330, 19035, 21060, 21996, 24440, 25380, 27495, 30456, 32994, 36660, 38070, 42120, 43992, 49491, 50760, 54990, 65988, 73320, 76140, 82485, 98982, 109980, 131976, 152280, 164970, 197964, 219960, 247455, 329940, 395928, 494910, 659880, 989820, 1979640]

約数ペア:

[(1, 1979640), (2, 989820), (3, 659880), (4, 494910), (5, 395928), (6, 329940), (8, 247455), (9, 219960), (10, 197964), (12, 164970), (13, 152280), (15, 131976), (18, 109980), (20, 98982), (24, 82485), (26, 76140), (27, 73320), (30, 65988), (36, 54990), (39, 50760), (40, 49491), (45, 43992), (47, 42120), (52, 38070), (54, 36660), (60, 32994), (65, 30456), (72, 27495), (78, 25380), (81, 24440), (90, 21996), (94, 21060), (104, 19035), (108, 18330), (117, 16920), (120, 16497), (130, 15228), (135, 14664), (141, 14040), (156, 12690), (162, 12220), (180, 10998), (188, 10530), (195, 10152), (216, 9165), (234, 8460), (235, 8424), (260, 7614), (270, 7332), (282, 7020), (312, 6345), (324, 6110), (351, 5640), (360, 5499), (376, 5265), (390, 5076), (405, 4888), (423, 4680), (468, 4230), (470, 4212), (520, 3807), (540, 3666), (564, 3510), (585, 3384), (611, 3240), (648, 3055), (702, 2820), (705, 2808), (780, 2538), (810, 2444), (846, 2340), (936, 2115), (940, 2106), (1053, 1880), (1080, 1833), (1128, 1755), (1170, 1692), (1222, 1620), (1269, 1560), (1404, 1410)]