19902587040

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{4283}}^1$

素因数の和:4772

約数の個数: 288

約数和(自身を含む): 77806624896

約数和(自身を除く): 57904037856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 461, 480, 504, 560, 630, 672, 720, 840, 922, 1008, 1120, 1260, 1383, 1440, 1680, 1844, 2016, 2305, 2520, 2766, 3227, 3360, 3688, 4149, 4283, 4610, 5040, 5532, 6454, 6915, 7376, 8298, 8566, 9220, 9681, 10080, 11064, 12849, 12908, 13830, 14752, 16135, 16596, 17132, 18440, 19362, 20745, 21415, 22128, 25698, 25816, 27660, 29043, 29981, 32270, 33192, 34264, 36880, 38547, 38724, 41490, 42830, 44256, 48405, 51396, 51632, 55320, 58086, 59962, 64245, 64540, 66384, 68528, 73760, 77094, 77448, 82980, 85660, 89943, 96810, 102792, 103264, 110640, 116172, 119924, 128490, 129080, 132768, 137056, 145215, 149905, 154188, 154896, 165960, 171320, 179886, 192735, 193620, 205584, 221280, 232344, 239848, 256980, 258160, 269829, 290430, 299810, 308376, 309792, 331920, 342640, 359772, 385470, 387240, 411168, 449715, 464688, 479696, 513960, 516320, 539658, 580860, 599620, 616752, 663840, 685280, 719544, 770940, 774480, 899430, 929376, 959392, 1027920, 1079316, 1161720, 1199240, 1233504, 1349145, 1439088, 1541880, 1548960, 1798860, 1974463, 2055840, 2158632, 2323440, 2398480, 2698290, 2878176, 3083760, 3597720, 3948926, 4317264, 4646880, 4796960, 5396580, 5923389, 6167520, 7195440, 7897852, 8634528, 9872315, 10793160, 11846778, 13821241, 14390880, 15795704, 17770167, 19744630, 21586320, 23693556, 27642482, 29616945, 31591408, 35540334, 39489260, 41463723, 43172640, 47387112, 55284964, 59233890, 63182816, 69106205, 71080668, 78978520, 82927446, 88850835, 94774224, 110569928, 118467780, 124391169, 138212410, 142161336, 157957040, 165854892, 177701670, 189548448, 207318615, 221139856, 236935560, 248782338, 276424820, 284322672, 315914080, 331709784, 355403340, 414637230, 442279712, 473871120, 497564676, 552849640, 568645344, 621955845, 663419568, 710806680, 829274460, 947742240, 995129352, 1105699280, 1243911690, 1326839136, 1421613360, 1658548920, 1990258704, 2211398560, 2487823380, 2843226720, 3317097840, 3980517408, 4975646760, 6634195680, 9951293520, 19902587040]

約数ペア:

[(1, 19902587040), (2, 9951293520), (3, 6634195680), (4, 4975646760), (5, 3980517408), (6, 3317097840), (7, 2843226720), (8, 2487823380), (9, 2211398560), (10, 1990258704), (12, 1658548920), (14, 1421613360), (15, 1326839136), (16, 1243911690), (18, 1105699280), (20, 995129352), (21, 947742240), (24, 829274460), (28, 710806680), (30, 663419568), (32, 621955845), (35, 568645344), (36, 552849640), (40, 497564676), (42, 473871120), (45, 442279712), (48, 414637230), (56, 355403340), (60, 331709784), (63, 315914080), (70, 284322672), (72, 276424820), (80, 248782338), (84, 236935560), (90, 221139856), (96, 207318615), (105, 189548448), (112, 177701670), (120, 165854892), (126, 157957040), (140, 142161336), (144, 138212410), (160, 124391169), (168, 118467780), (180, 110569928), (210, 94774224), (224, 88850835), (240, 82927446), (252, 78978520), (280, 71080668), (288, 69106205), (315, 63182816), (336, 59233890), (360, 55284964), (420, 47387112), (461, 43172640), (480, 41463723), (504, 39489260), (560, 35540334), (630, 31591408), (672, 29616945), (720, 27642482), (840, 23693556), (922, 21586320), (1008, 19744630), (1120, 17770167), (1260, 15795704), (1383, 14390880), (1440, 13821241), (1680, 11846778), (1844, 10793160), (2016, 9872315), (2305, 8634528), (2520, 7897852), (2766, 7195440), (3227, 6167520), (3360, 5923389), (3688, 5396580), (4149, 4796960), (4283, 4646880), (4610, 4317264), (5040, 3948926), (5532, 3597720), (6454, 3083760), (6915, 2878176), (7376, 2698290), (8298, 2398480), (8566, 2323440), (9220, 2158632), (9681, 2055840), (10080, 1974463), (11064, 1798860), (12849, 1548960), (12908, 1541880), (13830, 1439088), (14752, 1349145), (16135, 1233504), (16596, 1199240), (17132, 1161720), (18440, 1079316), (19362, 1027920), (20745, 959392), (21415, 929376), (22128, 899430), (25698, 774480), (25816, 770940), (27660, 719544), (29043, 685280), (29981, 663840), (32270, 616752), (33192, 599620), (34264, 580860), (36880, 539658), (38547, 516320), (38724, 513960), (41490, 479696), (42830, 464688), (44256, 449715), (48405, 411168), (51396, 387240), (51632, 385470), (55320, 359772), (58086, 342640), (59962, 331920), (64245, 309792), (64540, 308376), (66384, 299810), (68528, 290430), (73760, 269829), (77094, 258160), (77448, 256980), (82980, 239848), (85660, 232344), (89943, 221280), (96810, 205584), (102792, 193620), (103264, 192735), (110640, 179886), (116172, 171320), (119924, 165960), (128490, 154896), (129080, 154188), (132768, 149905), (137056, 145215)]