1781312240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 4475338560

約数和(自身を除く): 2694026320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 61, 80, 82, 116, 122, 145, 164, 205, 232, 244, 290, 305, 307, 328, 410, 464, 488, 580, 610, 614, 656, 820, 976, 1160, 1189, 1220, 1228, 1535, 1640, 1769, 2320, 2378, 2440, 2456, 2501, 3070, 3280, 3538, 4756, 4880, 4912, 5002, 5945, 6140, 7076, 8845, 8903, 9512, 10004, 11890, 12280, 12505, 12587, 14152, 17690, 17806, 18727, 19024, 20008, 23780, 24560, 25010, 25174, 28304, 35380, 35612, 37454, 40016, 44515, 47560, 50020, 50348, 62935, 70760, 71224, 72529, 74908, 89030, 93635, 95120, 100040, 100696, 125870, 141520, 142448, 145058, 149816, 178060, 187270, 200080, 201392, 251740, 290116, 299632, 356120, 362645, 365023, 374540, 503480, 543083, 580232, 712240, 725290, 730046, 749080, 767807, 1006960, 1086166, 1160464, 1450580, 1460092, 1498160, 1535614, 1825115, 2172332, 2715415, 2901160, 2920184, 3071228, 3650230, 3839035, 4344664, 5430830, 5802320, 5840368, 6142456, 7300460, 7678070, 8689328, 10861660, 12284912, 14600920, 15356140, 21723320, 22266403, 29201840, 30712280, 43446640, 44532806, 61424560, 89065612, 111332015, 178131224, 222664030, 356262448, 445328060, 890656120, 1781312240]

約数ペア:

[(1, 1781312240), (2, 890656120), (4, 445328060), (5, 356262448), (8, 222664030), (10, 178131224), (16, 111332015), (20, 89065612), (29, 61424560), (40, 44532806), (41, 43446640), (58, 30712280), (61, 29201840), (80, 22266403), (82, 21723320), (116, 15356140), (122, 14600920), (145, 12284912), (164, 10861660), (205, 8689328), (232, 7678070), (244, 7300460), (290, 6142456), (305, 5840368), (307, 5802320), (328, 5430830), (410, 4344664), (464, 3839035), (488, 3650230), (580, 3071228), (610, 2920184), (614, 2901160), (656, 2715415), (820, 2172332), (976, 1825115), (1160, 1535614), (1189, 1498160), (1220, 1460092), (1228, 1450580), (1535, 1160464), (1640, 1086166), (1769, 1006960), (2320, 767807), (2378, 749080), (2440, 730046), (2456, 725290), (2501, 712240), (3070, 580232), (3280, 543083), (3538, 503480), (4756, 374540), (4880, 365023), (4912, 362645), (5002, 356120), (5945, 299632), (6140, 290116), (7076, 251740), (8845, 201392), (8903, 200080), (9512, 187270), (10004, 178060), (11890, 149816), (12280, 145058), (12505, 142448), (12587, 141520), (14152, 125870), (17690, 100696), (17806, 100040), (18727, 95120), (19024, 93635), (20008, 89030), (23780, 74908), (24560, 72529), (25010, 71224), (25174, 70760), (28304, 62935), (35380, 50348), (35612, 50020), (37454, 47560), (40016, 44515)]