28806570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 85881600

約数和(自身を除く): 57075030

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 29, 30, 39, 45, 54, 58, 65, 78, 87, 90, 117, 130, 135, 145, 174, 195, 234, 261, 270, 283, 290, 351, 377, 390, 435, 522, 566, 585, 702, 754, 783, 849, 870, 1131, 1170, 1305, 1415, 1566, 1698, 1755, 1885, 2262, 2547, 2610, 2830, 3393, 3510, 3679, 3770, 3915, 4245, 5094, 5655, 6786, 7358, 7641, 7830, 8207, 8490, 10179, 11037, 11310, 12735, 15282, 16414, 16965, 18395, 20358, 22074, 24621, 25470, 33111, 33930, 36790, 38205, 41035, 49242, 50895, 55185, 66222, 73863, 76410, 82070, 99333, 101790, 106691, 110370, 123105, 147726, 165555, 198666, 213382, 221589, 246210, 320073, 331110, 369315, 443178, 496665, 533455, 640146, 738630, 960219, 993330, 1066910, 1107945, 1600365, 1920438, 2215890, 2880657, 3200730, 4801095, 5761314, 9602190, 14403285, 28806570]

約数ペア:

[(1, 28806570), (2, 14403285), (3, 9602190), (5, 5761314), (6, 4801095), (9, 3200730), (10, 2880657), (13, 2215890), (15, 1920438), (18, 1600365), (26, 1107945), (27, 1066910), (29, 993330), (30, 960219), (39, 738630), (45, 640146), (54, 533455), (58, 496665), (65, 443178), (78, 369315), (87, 331110), (90, 320073), (117, 246210), (130, 221589), (135, 213382), (145, 198666), (174, 165555), (195, 147726), (234, 123105), (261, 110370), (270, 106691), (283, 101790), (290, 99333), (351, 82070), (377, 76410), (390, 73863), (435, 66222), (522, 55185), (566, 50895), (585, 49242), (702, 41035), (754, 38205), (783, 36790), (849, 33930), (870, 33111), (1131, 25470), (1170, 24621), (1305, 22074), (1415, 20358), (1566, 18395), (1698, 16965), (1755, 16414), (1885, 15282), (2262, 12735), (2547, 11310), (2610, 11037), (2830, 10179), (3393, 8490), (3510, 8207), (3679, 7830), (3770, 7641), (3915, 7358), (4245, 6786), (5094, 5655)]