9718441720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{20789}}^1$

素因数の和:20873

約数の個数: 128

約数和(自身を含む): 25147584000

約数和(自身を除く): 15429142280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 31, 40, 52, 58, 62, 65, 104, 116, 124, 130, 145, 155, 232, 248, 260, 290, 310, 377, 403, 520, 580, 620, 754, 806, 899, 1160, 1240, 1508, 1612, 1798, 1885, 2015, 3016, 3224, 3596, 3770, 4030, 4495, 7192, 7540, 8060, 8990, 11687, 15080, 16120, 17980, 20789, 23374, 35960, 41578, 46748, 58435, 83156, 93496, 103945, 116870, 166312, 207890, 233740, 270257, 415780, 467480, 540514, 602881, 644459, 831560, 1081028, 1205762, 1288918, 1351285, 2162056, 2411524, 2577836, 2702570, 3014405, 3222295, 4823048, 5155672, 5405140, 6028810, 6444590, 7837453, 8377967, 10810280, 12057620, 12889180, 15674906, 16755934, 18689311, 24115240, 25778360, 31349812, 33511868, 37378622, 39187265, 41889835, 62699624, 67023736, 74757244, 78374530, 83779670, 93446555, 149514488, 156749060, 167559340, 186893110, 242961043, 313498120, 335118680, 373786220, 485922086, 747572440, 971844172, 1214805215, 1943688344, 2429610430, 4859220860, 9718441720]

約数ペア:

[(1, 9718441720), (2, 4859220860), (4, 2429610430), (5, 1943688344), (8, 1214805215), (10, 971844172), (13, 747572440), (20, 485922086), (26, 373786220), (29, 335118680), (31, 313498120), (40, 242961043), (52, 186893110), (58, 167559340), (62, 156749060), (65, 149514488), (104, 93446555), (116, 83779670), (124, 78374530), (130, 74757244), (145, 67023736), (155, 62699624), (232, 41889835), (248, 39187265), (260, 37378622), (290, 33511868), (310, 31349812), (377, 25778360), (403, 24115240), (520, 18689311), (580, 16755934), (620, 15674906), (754, 12889180), (806, 12057620), (899, 10810280), (1160, 8377967), (1240, 7837453), (1508, 6444590), (1612, 6028810), (1798, 5405140), (1885, 5155672), (2015, 4823048), (3016, 3222295), (3224, 3014405), (3596, 2702570), (3770, 2577836), (4030, 2411524), (4495, 2162056), (7192, 1351285), (7540, 1288918), (8060, 1205762), (8990, 1081028), (11687, 831560), (15080, 644459), (16120, 602881), (17980, 540514), (20789, 467480), (23374, 415780), (35960, 270257), (41578, 233740), (46748, 207890), (58435, 166312), (83156, 116870), (93496, 103945)]