2880467920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 240

約数和(自身を含む): 7884495360

約数和(自身を除く): 5004027440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 40, 44, 55, 58, 62, 80, 88, 110, 116, 121, 124, 145, 155, 176, 220, 232, 242, 248, 290, 310, 319, 331, 341, 440, 464, 484, 496, 580, 605, 620, 638, 662, 682, 880, 899, 968, 1160, 1210, 1240, 1276, 1324, 1364, 1595, 1655, 1705, 1798, 1936, 2320, 2420, 2480, 2552, 2648, 2728, 3190, 3310, 3410, 3509, 3596, 3641, 3751, 4495, 4840, 5104, 5296, 5456, 6380, 6620, 6820, 7018, 7192, 7282, 7502, 8990, 9599, 9680, 9889, 10261, 12760, 13240, 13640, 14036, 14384, 14564, 15004, 17545, 17980, 18205, 18755, 19198, 19778, 20522, 25520, 26480, 27280, 28072, 29128, 30008, 35090, 35960, 36410, 37510, 38396, 39556, 40051, 41044, 47995, 49445, 51305, 56144, 58256, 60016, 70180, 71920, 72820, 75020, 76792, 79112, 80102, 82088, 95990, 98890, 102610, 105589, 108779, 112871, 140360, 145640, 150040, 153584, 158224, 160204, 164176, 191980, 197780, 200255, 205220, 211178, 217558, 225742, 280720, 291280, 297569, 300080, 320408, 383960, 395560, 400510, 410440, 422356, 435116, 451484, 527945, 543895, 564355, 595138, 640816, 767920, 791120, 801020, 820880, 844712, 870232, 902968, 1055890, 1087790, 1128710, 1161479, 1190276, 1241581, 1487845, 1602040, 1689424, 1740464, 1805936, 2111780, 2175580, 2257420, 2322958, 2380552, 2483162, 2975690, 3204080, 3273259, 4223560, 4351160, 4514840, 4645916, 4761104, 4966324, 5807395, 5951380, 6207905, 6546518, 8447120, 8702320, 9029680, 9291832, 9932648, 11614790, 11902760, 12415810, 13093036, 16366295, 18583664, 19865296, 23229580, 23805520, 24831620, 26186072, 32732590, 36005849, 46459160, 49663240, 52372144, 65465180, 72011698, 92918320, 99326480, 130930360, 144023396, 180029245, 261860720, 288046792, 360058490, 576093584, 720116980, 1440233960, 2880467920]

約数ペア:

[(1, 2880467920), (2, 1440233960), (4, 720116980), (5, 576093584), (8, 360058490), (10, 288046792), (11, 261860720), (16, 180029245), (20, 144023396), (22, 130930360), (29, 99326480), (31, 92918320), (40, 72011698), (44, 65465180), (55, 52372144), (58, 49663240), (62, 46459160), (80, 36005849), (88, 32732590), (110, 26186072), (116, 24831620), (121, 23805520), (124, 23229580), (145, 19865296), (155, 18583664), (176, 16366295), (220, 13093036), (232, 12415810), (242, 11902760), (248, 11614790), (290, 9932648), (310, 9291832), (319, 9029680), (331, 8702320), (341, 8447120), (440, 6546518), (464, 6207905), (484, 5951380), (496, 5807395), (580, 4966324), (605, 4761104), (620, 4645916), (638, 4514840), (662, 4351160), (682, 4223560), (880, 3273259), (899, 3204080), (968, 2975690), (1160, 2483162), (1210, 2380552), (1240, 2322958), (1276, 2257420), (1324, 2175580), (1364, 2111780), (1595, 1805936), (1655, 1740464), (1705, 1689424), (1798, 1602040), (1936, 1487845), (2320, 1241581), (2420, 1190276), (2480, 1161479), (2552, 1128710), (2648, 1087790), (2728, 1055890), (3190, 902968), (3310, 870232), (3410, 844712), (3509, 820880), (3596, 801020), (3641, 791120), (3751, 767920), (4495, 640816), (4840, 595138), (5104, 564355), (5296, 543895), (5456, 527945), (6380, 451484), (6620, 435116), (6820, 422356), (7018, 410440), (7192, 400510), (7282, 395560), (7502, 383960), (8990, 320408), (9599, 300080), (9680, 297569), (9889, 291280), (10261, 280720), (12760, 225742), (13240, 217558), (13640, 211178), (14036, 205220), (14384, 200255), (14564, 197780), (15004, 191980), (17545, 164176), (17980, 160204), (18205, 158224), (18755, 153584), (19198, 150040), (19778, 145640), (20522, 140360), (25520, 112871), (26480, 108779), (27280, 105589), (28072, 102610), (29128, 98890), (30008, 95990), (35090, 82088), (35960, 80102), (36410, 79112), (37510, 76792), (38396, 75020), (39556, 72820), (40051, 71920), (41044, 70180), (47995, 60016), (49445, 58256), (51305, 56144)]