281459880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20047}}^1$

素因数の和:20080

約数の個数: 128

約数和(自身を含む): 1010419200

約数和(自身を除く): 728959320

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, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 20047, 40094, 60141, 80188, 100235, 120282, 160376, 180423, 200470, 240564, 260611, 300705, 360846, 400940, 481128, 521222, 541269, 601410, 721692, 781833, 801880, 902115, 1042444, 1082538, 1202820, 1303055, 1443384, 1563666, 1804230, 2084888, 2165076, 2345499, 2405640, 2606110, 2706345, 3127332, 3608460, 3909165, 4330152, 4690998, 5212220, 5412690, 6254664, 7036497, 7216920, 7818330, 9381996, 10424440, 10825380, 11727495, 14072994, 15636660, 18763992, 21650760, 23454990, 28145988, 31273320, 35182485, 46909980, 56291976, 70364970, 93819960, 140729940, 281459880]

約数ペア:

[(1, 281459880), (2, 140729940), (3, 93819960), (4, 70364970), (5, 56291976), (6, 46909980), (8, 35182485), (9, 31273320), (10, 28145988), (12, 23454990), (13, 21650760), (15, 18763992), (18, 15636660), (20, 14072994), (24, 11727495), (26, 10825380), (27, 10424440), (30, 9381996), (36, 7818330), (39, 7216920), (40, 7036497), (45, 6254664), (52, 5412690), (54, 5212220), (60, 4690998), (65, 4330152), (72, 3909165), (78, 3608460), (90, 3127332), (104, 2706345), (108, 2606110), (117, 2405640), (120, 2345499), (130, 2165076), (135, 2084888), (156, 1804230), (180, 1563666), (195, 1443384), (216, 1303055), (234, 1202820), (260, 1082538), (270, 1042444), (312, 902115), (351, 801880), (360, 781833), (390, 721692), (468, 601410), (520, 541269), (540, 521222), (585, 481128), (702, 400940), (780, 360846), (936, 300705), (1080, 260611), (1170, 240564), (1404, 200470), (1560, 180423), (1755, 160376), (2340, 120282), (2808, 100235), (3510, 80188), (4680, 60141), (7020, 40094), (14040, 20047)]