8147996920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{6719}}^1$

素因数の和:6869

約数の個数: 128

約数和(自身を含む): 21598617600

約数和(自身を除く): 13450620680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 71, 122, 140, 142, 244, 280, 284, 305, 355, 427, 488, 497, 568, 610, 710, 854, 994, 1220, 1420, 1708, 1988, 2135, 2440, 2485, 2840, 3416, 3976, 4270, 4331, 4970, 6719, 8540, 8662, 9940, 13438, 17080, 17324, 19880, 21655, 26876, 30317, 33595, 34648, 43310, 47033, 53752, 60634, 67190, 86620, 94066, 121268, 134380, 151585, 173240, 188132, 235165, 242536, 268760, 303170, 376264, 409859, 470330, 477049, 606340, 819718, 940660, 954098, 1212680, 1639436, 1881320, 1908196, 2049295, 2385245, 2869013, 3278872, 3339343, 3816392, 4098590, 4770490, 5738026, 6678686, 8197180, 9540980, 11476052, 13357372, 14345065, 16394360, 16696715, 19081960, 22952104, 26714744, 28690130, 29099989, 33393430, 57380260, 58199978, 66786860, 114760520, 116399956, 133573720, 145499945, 203699923, 232799912, 290999890, 407399846, 581999780, 814799692, 1018499615, 1163999560, 1629599384, 2036999230, 4073998460, 8147996920]

約数ペア:

[(1, 8147996920), (2, 4073998460), (4, 2036999230), (5, 1629599384), (7, 1163999560), (8, 1018499615), (10, 814799692), (14, 581999780), (20, 407399846), (28, 290999890), (35, 232799912), (40, 203699923), (56, 145499945), (61, 133573720), (70, 116399956), (71, 114760520), (122, 66786860), (140, 58199978), (142, 57380260), (244, 33393430), (280, 29099989), (284, 28690130), (305, 26714744), (355, 22952104), (427, 19081960), (488, 16696715), (497, 16394360), (568, 14345065), (610, 13357372), (710, 11476052), (854, 9540980), (994, 8197180), (1220, 6678686), (1420, 5738026), (1708, 4770490), (1988, 4098590), (2135, 3816392), (2440, 3339343), (2485, 3278872), (2840, 2869013), (3416, 2385245), (3976, 2049295), (4270, 1908196), (4331, 1881320), (4970, 1639436), (6719, 1212680), (8540, 954098), (8662, 940660), (9940, 819718), (13438, 606340), (17080, 477049), (17324, 470330), (19880, 409859), (21655, 376264), (26876, 303170), (30317, 268760), (33595, 242536), (34648, 235165), (43310, 188132), (47033, 173240), (53752, 151585), (60634, 134380), (67190, 121268), (86620, 94066)]