180205480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1659

約数の個数: 128

約数和(自身を含む): 515450880

約数和(自身を除く): 335245400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1597, 1612, 1736, 1820, 2015, 2170, 2821, 3194, 3224, 3640, 4030, 4340, 5642, 6388, 7985, 8060, 8680, 11179, 11284, 12776, 14105, 15970, 16120, 20761, 22358, 22568, 28210, 31940, 41522, 44716, 49507, 55895, 56420, 63880, 83044, 89432, 99014, 103805, 111790, 112840, 145327, 166088, 198028, 207610, 223580, 247535, 290654, 346549, 396056, 415220, 447160, 495070, 581308, 643591, 693098, 726635, 830440, 990140, 1162616, 1287182, 1386196, 1453270, 1732745, 1980280, 2574364, 2772392, 2906540, 3217955, 3465490, 4505137, 5148728, 5813080, 6435910, 6930980, 9010274, 12871820, 13861960, 18020548, 22525685, 25743640, 36041096, 45051370, 90102740, 180205480]

約数ペア:

[(1, 180205480), (2, 90102740), (4, 45051370), (5, 36041096), (7, 25743640), (8, 22525685), (10, 18020548), (13, 13861960), (14, 12871820), (20, 9010274), (26, 6930980), (28, 6435910), (31, 5813080), (35, 5148728), (40, 4505137), (52, 3465490), (56, 3217955), (62, 2906540), (65, 2772392), (70, 2574364), (91, 1980280), (104, 1732745), (124, 1453270), (130, 1386196), (140, 1287182), (155, 1162616), (182, 990140), (217, 830440), (248, 726635), (260, 693098), (280, 643591), (310, 581308), (364, 495070), (403, 447160), (434, 415220), (455, 396056), (520, 346549), (620, 290654), (728, 247535), (806, 223580), (868, 207610), (910, 198028), (1085, 166088), (1240, 145327), (1597, 112840), (1612, 111790), (1736, 103805), (1820, 99014), (2015, 89432), (2170, 83044), (2821, 63880), (3194, 56420), (3224, 55895), (3640, 49507), (4030, 44716), (4340, 41522), (5642, 31940), (6388, 28210), (7985, 22568), (8060, 22358), (8680, 20761), (11179, 16120), (11284, 15970), (12776, 14105)]