2121573720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{35573}}^1$

素因数の和:35665

約数の個数: 128

約数和(自身を含む): 7376624640

約数和(自身を除く): 5255050920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 7455, 8520, 9940, 11928, 14910, 19880, 29820, 35573, 59640, 71146, 106719, 142292, 177865, 213438, 249011, 284584, 355730, 426876, 498022, 533595, 711460, 747033, 853752, 996044, 1067190, 1245055, 1422920, 1494066, 1992088, 2134380, 2490110, 2525683, 2988132, 3735165, 4268760, 4980220, 5051366, 5976264, 7470330, 7577049, 9960440, 10102732, 12628415, 14940660, 15154098, 17679781, 20205464, 25256830, 29881320, 30308196, 35359562, 37885245, 50513660, 53039343, 60616392, 70719124, 75770490, 88398905, 101027320, 106078686, 141438248, 151540980, 176797810, 212157372, 265196715, 303081960, 353595620, 424314744, 530393430, 707191240, 1060786860, 2121573720]

約数ペア:

[(1, 2121573720), (2, 1060786860), (3, 707191240), (4, 530393430), (5, 424314744), (6, 353595620), (7, 303081960), (8, 265196715), (10, 212157372), (12, 176797810), (14, 151540980), (15, 141438248), (20, 106078686), (21, 101027320), (24, 88398905), (28, 75770490), (30, 70719124), (35, 60616392), (40, 53039343), (42, 50513660), (56, 37885245), (60, 35359562), (70, 30308196), (71, 29881320), (84, 25256830), (105, 20205464), (120, 17679781), (140, 15154098), (142, 14940660), (168, 12628415), (210, 10102732), (213, 9960440), (280, 7577049), (284, 7470330), (355, 5976264), (420, 5051366), (426, 4980220), (497, 4268760), (568, 3735165), (710, 2988132), (840, 2525683), (852, 2490110), (994, 2134380), (1065, 1992088), (1420, 1494066), (1491, 1422920), (1704, 1245055), (1988, 1067190), (2130, 996044), (2485, 853752), (2840, 747033), (2982, 711460), (3976, 533595), (4260, 498022), (4970, 426876), (5964, 355730), (7455, 284584), (8520, 249011), (9940, 213438), (11928, 177865), (14910, 142292), (19880, 106719), (29820, 71146), (35573, 59640)]