681747040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 1825528320

約数和(自身を除く): 1143781280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 97, 104, 109, 124, 130, 155, 160, 194, 208, 218, 248, 260, 310, 388, 403, 416, 436, 485, 496, 520, 545, 620, 776, 806, 872, 970, 992, 1040, 1090, 1240, 1261, 1417, 1552, 1612, 1744, 1940, 2015, 2080, 2180, 2480, 2522, 2834, 3007, 3104, 3224, 3379, 3488, 3880, 4030, 4360, 4960, 5044, 5668, 6014, 6305, 6448, 6758, 7085, 7760, 8060, 8720, 10088, 10573, 11336, 12028, 12610, 12896, 13516, 14170, 15035, 15520, 16120, 16895, 17440, 20176, 21146, 22672, 24056, 25220, 27032, 28340, 30070, 32240, 33790, 39091, 40352, 42292, 43927, 45344, 48112, 50440, 52865, 54064, 56680, 60140, 64480, 67580, 78182, 84584, 87854, 96224, 100880, 105730, 108128, 113360, 120280, 135160, 137449, 156364, 169168, 175708, 195455, 201760, 211460, 219635, 226720, 240560, 270320, 274898, 312728, 327763, 338336, 351416, 390910, 422920, 439270, 481120, 540640, 549796, 625456, 655526, 687245, 702832, 781820, 845840, 878540, 1099592, 1250912, 1311052, 1374490, 1405664, 1563640, 1638815, 1691680, 1757080, 2199184, 2622104, 2748980, 3127280, 3277630, 3514160, 4260919, 4398368, 5244208, 5497960, 6254560, 6555260, 7028320, 8521838, 10488416, 10995920, 13110520, 17043676, 21304595, 21991840, 26221040, 34087352, 42609190, 52442080, 68174704, 85218380, 136349408, 170436760, 340873520, 681747040]

約数ペア:

[(1, 681747040), (2, 340873520), (4, 170436760), (5, 136349408), (8, 85218380), (10, 68174704), (13, 52442080), (16, 42609190), (20, 34087352), (26, 26221040), (31, 21991840), (32, 21304595), (40, 17043676), (52, 13110520), (62, 10995920), (65, 10488416), (80, 8521838), (97, 7028320), (104, 6555260), (109, 6254560), (124, 5497960), (130, 5244208), (155, 4398368), (160, 4260919), (194, 3514160), (208, 3277630), (218, 3127280), (248, 2748980), (260, 2622104), (310, 2199184), (388, 1757080), (403, 1691680), (416, 1638815), (436, 1563640), (485, 1405664), (496, 1374490), (520, 1311052), (545, 1250912), (620, 1099592), (776, 878540), (806, 845840), (872, 781820), (970, 702832), (992, 687245), (1040, 655526), (1090, 625456), (1240, 549796), (1261, 540640), (1417, 481120), (1552, 439270), (1612, 422920), (1744, 390910), (1940, 351416), (2015, 338336), (2080, 327763), (2180, 312728), (2480, 274898), (2522, 270320), (2834, 240560), (3007, 226720), (3104, 219635), (3224, 211460), (3379, 201760), (3488, 195455), (3880, 175708), (4030, 169168), (4360, 156364), (4960, 137449), (5044, 135160), (5668, 120280), (6014, 113360), (6305, 108128), (6448, 105730), (6758, 100880), (7085, 96224), (7760, 87854), (8060, 84584), (8720, 78182), (10088, 67580), (10573, 64480), (11336, 60140), (12028, 56680), (12610, 54064), (12896, 52865), (13516, 50440), (14170, 48112), (15035, 45344), (15520, 43927), (16120, 42292), (16895, 40352), (17440, 39091), (20176, 33790), (21146, 32240), (22672, 30070), (24056, 28340), (25220, 27032)]