6890520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 25482240

約数和(自身を除く): 18591720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 631, 728, 780, 840, 910, 1092, 1262, 1365, 1560, 1820, 1893, 2184, 2524, 2730, 3155, 3640, 3786, 4417, 5048, 5460, 6310, 7572, 8203, 8834, 9465, 10920, 12620, 13251, 15144, 16406, 17668, 18930, 22085, 24609, 25240, 26502, 32812, 35336, 37860, 41015, 44170, 49218, 53004, 57421, 65624, 66255, 75720, 82030, 88340, 98436, 106008, 114842, 123045, 132510, 164060, 172263, 176680, 196872, 229684, 246090, 265020, 287105, 328120, 344526, 459368, 492180, 530040, 574210, 689052, 861315, 984360, 1148420, 1378104, 1722630, 2296840, 3445260, 6890520]

約数ペア:

[(1, 6890520), (2, 3445260), (3, 2296840), (4, 1722630), (5, 1378104), (6, 1148420), (7, 984360), (8, 861315), (10, 689052), (12, 574210), (13, 530040), (14, 492180), (15, 459368), (20, 344526), (21, 328120), (24, 287105), (26, 265020), (28, 246090), (30, 229684), (35, 196872), (39, 176680), (40, 172263), (42, 164060), (52, 132510), (56, 123045), (60, 114842), (65, 106008), (70, 98436), (78, 88340), (84, 82030), (91, 75720), (104, 66255), (105, 65624), (120, 57421), (130, 53004), (140, 49218), (156, 44170), (168, 41015), (182, 37860), (195, 35336), (210, 32812), (260, 26502), (273, 25240), (280, 24609), (312, 22085), (364, 18930), (390, 17668), (420, 16406), (455, 15144), (520, 13251), (546, 12620), (631, 10920), (728, 9465), (780, 8834), (840, 8203), (910, 7572), (1092, 6310), (1262, 5460), (1365, 5048), (1560, 4417), (1820, 3786), (1893, 3640), (2184, 3155), (2524, 2730)]