18977049520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7937}}^1$

素因数の和:8004

約数の個数: 240

約数和(自身を含む): 54983668320

約数和(自身を除く): 36006618800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 121, 130, 143, 152, 176, 190, 208, 209, 220, 242, 247, 260, 286, 304, 380, 418, 440, 484, 494, 520, 572, 605, 715, 760, 836, 880, 968, 988, 1040, 1045, 1144, 1210, 1235, 1430, 1520, 1573, 1672, 1936, 1976, 2090, 2288, 2299, 2420, 2470, 2717, 2860, 3146, 3344, 3952, 4180, 4598, 4840, 4940, 5434, 5720, 6292, 7865, 7937, 8360, 9196, 9680, 9880, 10868, 11440, 11495, 12584, 13585, 15730, 15874, 16720, 18392, 19760, 21736, 22990, 25168, 27170, 29887, 31460, 31748, 36784, 39685, 43472, 45980, 54340, 59774, 62920, 63496, 79370, 87307, 91960, 103181, 108680, 119548, 125840, 126992, 149435, 150803, 158740, 174614, 183920, 206362, 217360, 239096, 298870, 301606, 317480, 349228, 412724, 436535, 478192, 515905, 597740, 603212, 634960, 698456, 754015, 825448, 873070, 960377, 1031810, 1134991, 1195480, 1206424, 1396912, 1508030, 1650896, 1658833, 1746140, 1920754, 1960439, 2063620, 2269982, 2390960, 2412848, 3016060, 3317666, 3492280, 3841508, 3920878, 4127240, 4539964, 4801885, 5674955, 6032120, 6635332, 6984560, 7683016, 7841756, 8254480, 8294165, 9079928, 9603770, 9802195, 11349910, 12064240, 12484901, 13270664, 15366032, 15683512, 16588330, 18159856, 18247163, 19207540, 19604390, 21564829, 22699820, 24969802, 26541328, 31367024, 33176660, 36494326, 38415080, 39208780, 43129658, 45399640, 49939604, 62424505, 66353320, 72988652, 76830160, 78417560, 86259316, 90799280, 91235815, 99879208, 107824145, 124849010, 132706640, 145977304, 156835120, 172518632, 182471630, 199758416, 215648290, 237213119, 249698020, 291954608, 345037264, 364943260, 431296580, 474426238, 499396040, 729886520, 862593160, 948852476, 998792080, 1186065595, 1459773040, 1725186320, 1897704952, 2372131190, 3795409904, 4744262380, 9488524760, 18977049520]

約数ペア:

[(1, 18977049520), (2, 9488524760), (4, 4744262380), (5, 3795409904), (8, 2372131190), (10, 1897704952), (11, 1725186320), (13, 1459773040), (16, 1186065595), (19, 998792080), (20, 948852476), (22, 862593160), (26, 729886520), (38, 499396040), (40, 474426238), (44, 431296580), (52, 364943260), (55, 345037264), (65, 291954608), (76, 249698020), (80, 237213119), (88, 215648290), (95, 199758416), (104, 182471630), (110, 172518632), (121, 156835120), (130, 145977304), (143, 132706640), (152, 124849010), (176, 107824145), (190, 99879208), (208, 91235815), (209, 90799280), (220, 86259316), (242, 78417560), (247, 76830160), (260, 72988652), (286, 66353320), (304, 62424505), (380, 49939604), (418, 45399640), (440, 43129658), (484, 39208780), (494, 38415080), (520, 36494326), (572, 33176660), (605, 31367024), (715, 26541328), (760, 24969802), (836, 22699820), (880, 21564829), (968, 19604390), (988, 19207540), (1040, 18247163), (1045, 18159856), (1144, 16588330), (1210, 15683512), (1235, 15366032), (1430, 13270664), (1520, 12484901), (1573, 12064240), (1672, 11349910), (1936, 9802195), (1976, 9603770), (2090, 9079928), (2288, 8294165), (2299, 8254480), (2420, 7841756), (2470, 7683016), (2717, 6984560), (2860, 6635332), (3146, 6032120), (3344, 5674955), (3952, 4801885), (4180, 4539964), (4598, 4127240), (4840, 3920878), (4940, 3841508), (5434, 3492280), (5720, 3317666), (6292, 3016060), (7865, 2412848), (7937, 2390960), (8360, 2269982), (9196, 2063620), (9680, 1960439), (9880, 1920754), (10868, 1746140), (11440, 1658833), (11495, 1650896), (12584, 1508030), (13585, 1396912), (15730, 1206424), (15874, 1195480), (16720, 1134991), (18392, 1031810), (19760, 960377), (21736, 873070), (22990, 825448), (25168, 754015), (27170, 698456), (29887, 634960), (31460, 603212), (31748, 597740), (36784, 515905), (39685, 478192), (43472, 436535), (45980, 412724), (54340, 349228), (59774, 317480), (62920, 301606), (63496, 298870), (79370, 239096), (87307, 217360), (91960, 206362), (103181, 183920), (108680, 174614), (119548, 158740), (125840, 150803), (126992, 149435)]