80720250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 230211072

約数和(自身を除く): 149490822

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 50, 51, 65, 75, 78, 85, 102, 125, 130, 150, 170, 195, 221, 250, 255, 325, 375, 390, 425, 442, 487, 510, 650, 663, 750, 850, 974, 975, 1105, 1275, 1326, 1461, 1625, 1950, 2125, 2210, 2435, 2550, 2922, 3250, 3315, 4250, 4870, 4875, 5525, 6331, 6375, 6630, 7305, 8279, 9750, 11050, 12175, 12662, 12750, 14610, 16558, 16575, 18993, 24350, 24837, 27625, 31655, 33150, 36525, 37986, 41395, 49674, 55250, 60875, 63310, 73050, 82790, 82875, 94965, 107627, 121750, 124185, 158275, 165750, 182625, 189930, 206975, 215254, 248370, 316550, 322881, 365250, 413950, 474825, 538135, 620925, 645762, 791375, 949650, 1034875, 1076270, 1241850, 1582750, 1614405, 2069750, 2374125, 2690675, 3104625, 3228810, 4748250, 5381350, 6209250, 8072025, 13453375, 16144050, 26906750, 40360125, 80720250]

約数ペア:

[(1, 80720250), (2, 40360125), (3, 26906750), (5, 16144050), (6, 13453375), (10, 8072025), (13, 6209250), (15, 5381350), (17, 4748250), (25, 3228810), (26, 3104625), (30, 2690675), (34, 2374125), (39, 2069750), (50, 1614405), (51, 1582750), (65, 1241850), (75, 1076270), (78, 1034875), (85, 949650), (102, 791375), (125, 645762), (130, 620925), (150, 538135), (170, 474825), (195, 413950), (221, 365250), (250, 322881), (255, 316550), (325, 248370), (375, 215254), (390, 206975), (425, 189930), (442, 182625), (487, 165750), (510, 158275), (650, 124185), (663, 121750), (750, 107627), (850, 94965), (974, 82875), (975, 82790), (1105, 73050), (1275, 63310), (1326, 60875), (1461, 55250), (1625, 49674), (1950, 41395), (2125, 37986), (2210, 36525), (2435, 33150), (2550, 31655), (2922, 27625), (3250, 24837), (3315, 24350), (4250, 18993), (4870, 16575), (4875, 16558), (5525, 14610), (6331, 12750), (6375, 12662), (6630, 12175), (7305, 11050), (8279, 9750)]