1621600560

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{997}}^1$

素因数の和:1273

約数の個数: 200

約数和(自身を含む): 5660168976

約数和(自身を除く): 4038568416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 251, 270, 324, 360, 405, 432, 502, 540, 648, 720, 753, 810, 997, 1004, 1080, 1255, 1296, 1506, 1620, 1994, 2008, 2160, 2259, 2510, 2991, 3012, 3240, 3765, 3988, 4016, 4518, 4985, 5020, 5982, 6024, 6480, 6777, 7530, 7976, 8973, 9036, 9970, 10040, 11295, 11964, 12048, 13554, 14955, 15060, 15952, 17946, 18072, 19940, 20080, 20331, 22590, 23928, 26919, 27108, 29910, 30120, 33885, 35892, 36144, 39880, 40662, 44865, 45180, 47856, 53838, 54216, 59820, 60240, 67770, 71784, 79760, 80757, 81324, 89730, 90360, 101655, 107676, 108432, 119640, 134595, 135540, 143568, 161514, 162648, 179460, 180720, 203310, 215352, 239280, 250247, 269190, 271080, 323028, 325296, 358920, 403785, 406620, 430704, 500494, 538380, 542160, 646056, 717840, 750741, 807570, 813240, 1000988, 1076760, 1251235, 1292112, 1501482, 1615140, 1626480, 2001976, 2153520, 2252223, 2502470, 3002964, 3230280, 3753705, 4003952, 4504446, 5004940, 6005928, 6460560, 6756669, 7507410, 9008892, 10009880, 11261115, 12011856, 13513338, 15014820, 18017784, 20019760, 20270007, 22522230, 27026676, 30029640, 33783345, 36035568, 40540014, 45044460, 54053352, 60059280, 67566690, 81080028, 90088920, 101350035, 108106704, 135133380, 162160056, 180177840, 202700070, 270266760, 324320112, 405400140, 540533520, 810800280, 1621600560]

約数ペア:

[(1, 1621600560), (2, 810800280), (3, 540533520), (4, 405400140), (5, 324320112), (6, 270266760), (8, 202700070), (9, 180177840), (10, 162160056), (12, 135133380), (15, 108106704), (16, 101350035), (18, 90088920), (20, 81080028), (24, 67566690), (27, 60059280), (30, 54053352), (36, 45044460), (40, 40540014), (45, 36035568), (48, 33783345), (54, 30029640), (60, 27026676), (72, 22522230), (80, 20270007), (81, 20019760), (90, 18017784), (108, 15014820), (120, 13513338), (135, 12011856), (144, 11261115), (162, 10009880), (180, 9008892), (216, 7507410), (240, 6756669), (251, 6460560), (270, 6005928), (324, 5004940), (360, 4504446), (405, 4003952), (432, 3753705), (502, 3230280), (540, 3002964), (648, 2502470), (720, 2252223), (753, 2153520), (810, 2001976), (997, 1626480), (1004, 1615140), (1080, 1501482), (1255, 1292112), (1296, 1251235), (1506, 1076760), (1620, 1000988), (1994, 813240), (2008, 807570), (2160, 750741), (2259, 717840), (2510, 646056), (2991, 542160), (3012, 538380), (3240, 500494), (3765, 430704), (3988, 406620), (4016, 403785), (4518, 358920), (4985, 325296), (5020, 323028), (5982, 271080), (6024, 269190), (6480, 250247), (6777, 239280), (7530, 215352), (7976, 203310), (8973, 180720), (9036, 179460), (9970, 162648), (10040, 161514), (11295, 143568), (11964, 135540), (12048, 134595), (13554, 119640), (14955, 108432), (15060, 107676), (15952, 101655), (17946, 90360), (18072, 89730), (19940, 81324), (20080, 80757), (20331, 79760), (22590, 71784), (23928, 67770), (26919, 60240), (27108, 59820), (29910, 54216), (30120, 53838), (33885, 47856), (35892, 45180), (36144, 44865), (39880, 40662)]