81830280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1597}}^1$

素因数の和:1679

約数の個数: 128

約数和(自身を含む): 285338880

約数和(自身を除く): 203508600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1597, 1708, 1830, 2135, 2440, 2562, 3194, 3416, 3660, 4270, 4791, 5124, 6388, 6405, 7320, 7985, 8540, 9582, 10248, 11179, 12776, 12810, 15970, 17080, 19164, 22358, 23955, 25620, 31940, 33537, 38328, 44716, 47910, 51240, 55895, 63880, 67074, 89432, 95820, 97417, 111790, 134148, 167685, 191640, 194834, 223580, 268296, 292251, 335370, 389668, 447160, 487085, 584502, 670740, 681919, 779336, 974170, 1169004, 1341480, 1363838, 1461255, 1948340, 2045757, 2338008, 2727676, 2922510, 3409595, 3896680, 4091514, 5455352, 5845020, 6819190, 8183028, 10228785, 11690040, 13638380, 16366056, 20457570, 27276760, 40915140, 81830280]

約数ペア:

[(1, 81830280), (2, 40915140), (3, 27276760), (4, 20457570), (5, 16366056), (6, 13638380), (7, 11690040), (8, 10228785), (10, 8183028), (12, 6819190), (14, 5845020), (15, 5455352), (20, 4091514), (21, 3896680), (24, 3409595), (28, 2922510), (30, 2727676), (35, 2338008), (40, 2045757), (42, 1948340), (56, 1461255), (60, 1363838), (61, 1341480), (70, 1169004), (84, 974170), (105, 779336), (120, 681919), (122, 670740), (140, 584502), (168, 487085), (183, 447160), (210, 389668), (244, 335370), (280, 292251), (305, 268296), (366, 223580), (420, 194834), (427, 191640), (488, 167685), (610, 134148), (732, 111790), (840, 97417), (854, 95820), (915, 89432), (1220, 67074), (1281, 63880), (1464, 55895), (1597, 51240), (1708, 47910), (1830, 44716), (2135, 38328), (2440, 33537), (2562, 31940), (3194, 25620), (3416, 23955), (3660, 22358), (4270, 19164), (4791, 17080), (5124, 15970), (6388, 12810), (6405, 12776), (7320, 11179), (7985, 10248), (8540, 9582)]