31517200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 240

約数和(自身を含む): 96868800

約数和(自身を除く): 65351600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 25, 26, 29, 38, 40, 44, 50, 52, 55, 58, 65, 76, 80, 88, 95, 100, 104, 110, 116, 130, 143, 145, 152, 176, 190, 200, 208, 209, 220, 232, 247, 260, 275, 286, 290, 304, 319, 325, 377, 380, 400, 418, 440, 464, 475, 494, 520, 550, 551, 572, 580, 638, 650, 715, 725, 754, 760, 836, 880, 950, 988, 1040, 1045, 1100, 1102, 1144, 1160, 1235, 1276, 1300, 1430, 1450, 1508, 1520, 1595, 1672, 1885, 1900, 1976, 2090, 2200, 2204, 2288, 2320, 2470, 2552, 2600, 2717, 2755, 2860, 2900, 3016, 3190, 3344, 3575, 3770, 3800, 3952, 4147, 4180, 4400, 4408, 4940, 5104, 5200, 5225, 5434, 5510, 5720, 5800, 6032, 6061, 6175, 6380, 7150, 7163, 7540, 7600, 7975, 8294, 8360, 8816, 9425, 9880, 10450, 10868, 11020, 11440, 11600, 12122, 12350, 12760, 13585, 13775, 14300, 14326, 15080, 15950, 16588, 16720, 18850, 19760, 20735, 20900, 21736, 22040, 24244, 24700, 25520, 27170, 27550, 28600, 28652, 30160, 30305, 31900, 33176, 35815, 37700, 41470, 41800, 43472, 44080, 48488, 49400, 54340, 55100, 57200, 57304, 60610, 63800, 66352, 67925, 71630, 75400, 78793, 82940, 83600, 96976, 98800, 103675, 108680, 110200, 114608, 121220, 127600, 135850, 143260, 150800, 151525, 157586, 165880, 179075, 207350, 217360, 220400, 242440, 271700, 286520, 303050, 315172, 331760, 358150, 393965, 414700, 484880, 543400, 573040, 606100, 630344, 716300, 787930, 829400, 1086800, 1212200, 1260688, 1432600, 1575860, 1658800, 1969825, 2424400, 2865200, 3151720, 3939650, 6303440, 7879300, 15758600, 31517200]

約数ペア:

[(1, 31517200), (2, 15758600), (4, 7879300), (5, 6303440), (8, 3939650), (10, 3151720), (11, 2865200), (13, 2424400), (16, 1969825), (19, 1658800), (20, 1575860), (22, 1432600), (25, 1260688), (26, 1212200), (29, 1086800), (38, 829400), (40, 787930), (44, 716300), (50, 630344), (52, 606100), (55, 573040), (58, 543400), (65, 484880), (76, 414700), (80, 393965), (88, 358150), (95, 331760), (100, 315172), (104, 303050), (110, 286520), (116, 271700), (130, 242440), (143, 220400), (145, 217360), (152, 207350), (176, 179075), (190, 165880), (200, 157586), (208, 151525), (209, 150800), (220, 143260), (232, 135850), (247, 127600), (260, 121220), (275, 114608), (286, 110200), (290, 108680), (304, 103675), (319, 98800), (325, 96976), (377, 83600), (380, 82940), (400, 78793), (418, 75400), (440, 71630), (464, 67925), (475, 66352), (494, 63800), (520, 60610), (550, 57304), (551, 57200), (572, 55100), (580, 54340), (638, 49400), (650, 48488), (715, 44080), (725, 43472), (754, 41800), (760, 41470), (836, 37700), (880, 35815), (950, 33176), (988, 31900), (1040, 30305), (1045, 30160), (1100, 28652), (1102, 28600), (1144, 27550), (1160, 27170), (1235, 25520), (1276, 24700), (1300, 24244), (1430, 22040), (1450, 21736), (1508, 20900), (1520, 20735), (1595, 19760), (1672, 18850), (1885, 16720), (1900, 16588), (1976, 15950), (2090, 15080), (2200, 14326), (2204, 14300), (2288, 13775), (2320, 13585), (2470, 12760), (2552, 12350), (2600, 12122), (2717, 11600), (2755, 11440), (2860, 11020), (2900, 10868), (3016, 10450), (3190, 9880), (3344, 9425), (3575, 8816), (3770, 8360), (3800, 8294), (3952, 7975), (4147, 7600), (4180, 7540), (4400, 7163), (4408, 7150), (4940, 6380), (5104, 6175), (5200, 6061), (5225, 6032), (5434, 5800), (5510, 5720)]