1821535380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:623

約数の個数: 288

約数和(自身を含む): 6732101376

約数和(自身を除く): 4910565996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 277, 306, 307, 315, 340, 357, 420, 476, 510, 554, 595, 612, 614, 630, 714, 765, 831, 921, 1020, 1071, 1108, 1190, 1228, 1260, 1385, 1428, 1530, 1535, 1662, 1785, 1842, 1939, 2142, 2149, 2380, 2493, 2763, 2770, 3060, 3070, 3324, 3570, 3684, 3878, 4155, 4284, 4298, 4605, 4709, 4986, 5219, 5355, 5526, 5540, 5817, 6140, 6447, 7140, 7756, 8310, 8596, 9210, 9418, 9695, 9972, 10438, 10710, 10745, 11052, 11634, 12465, 12894, 13815, 14127, 15657, 16620, 17451, 18420, 18836, 19341, 19390, 20876, 21420, 21490, 23268, 23545, 24930, 25788, 26095, 27630, 28254, 29085, 31314, 32235, 32963, 34902, 36533, 38682, 38780, 42381, 42980, 46971, 47090, 49860, 52190, 55260, 56508, 58170, 62628, 64470, 65926, 69804, 70635, 73066, 77364, 78285, 84762, 85039, 87255, 93942, 94180, 96705, 98889, 104380, 109599, 116340, 128940, 131852, 141270, 146132, 156570, 164815, 169524, 170078, 174510, 182665, 187884, 193410, 197778, 211905, 219198, 234855, 255117, 282540, 296667, 313140, 328797, 329630, 340156, 349020, 365330, 386820, 395556, 423810, 425195, 438396, 469710, 494445, 510234, 547995, 593334, 595273, 657594, 659260, 730660, 765351, 847620, 850390, 939420, 988890, 1020468, 1095990, 1186668, 1190546, 1275585, 1315188, 1445663, 1483335, 1530702, 1643985, 1700780, 1785819, 1977780, 2191980, 2381092, 2551170, 2891326, 2966670, 2976365, 3061404, 3287970, 3571638, 3826755, 4336989, 5102340, 5357457, 5782652, 5933340, 5952730, 6575940, 7143276, 7228315, 7653510, 8673978, 8929095, 10119641, 10714914, 11905460, 13010967, 14456630, 15307020, 17347956, 17858190, 20239282, 21429828, 21684945, 26021934, 26787285, 28913260, 30358923, 35716380, 40478564, 43369890, 50598205, 52043868, 53574570, 60717846, 65054835, 86739780, 91076769, 101196410, 107149140, 121435692, 130109670, 151794615, 182153538, 202392820, 260219340, 303589230, 364307076, 455383845, 607178460, 910767690, 1821535380]

約数ペア:

[(1, 1821535380), (2, 910767690), (3, 607178460), (4, 455383845), (5, 364307076), (6, 303589230), (7, 260219340), (9, 202392820), (10, 182153538), (12, 151794615), (14, 130109670), (15, 121435692), (17, 107149140), (18, 101196410), (20, 91076769), (21, 86739780), (28, 65054835), (30, 60717846), (34, 53574570), (35, 52043868), (36, 50598205), (42, 43369890), (45, 40478564), (51, 35716380), (60, 30358923), (63, 28913260), (68, 26787285), (70, 26021934), (84, 21684945), (85, 21429828), (90, 20239282), (102, 17858190), (105, 17347956), (119, 15307020), (126, 14456630), (140, 13010967), (153, 11905460), (170, 10714914), (180, 10119641), (204, 8929095), (210, 8673978), (238, 7653510), (252, 7228315), (255, 7143276), (277, 6575940), (306, 5952730), (307, 5933340), (315, 5782652), (340, 5357457), (357, 5102340), (420, 4336989), (476, 3826755), (510, 3571638), (554, 3287970), (595, 3061404), (612, 2976365), (614, 2966670), (630, 2891326), (714, 2551170), (765, 2381092), (831, 2191980), (921, 1977780), (1020, 1785819), (1071, 1700780), (1108, 1643985), (1190, 1530702), (1228, 1483335), (1260, 1445663), (1385, 1315188), (1428, 1275585), (1530, 1190546), (1535, 1186668), (1662, 1095990), (1785, 1020468), (1842, 988890), (1939, 939420), (2142, 850390), (2149, 847620), (2380, 765351), (2493, 730660), (2763, 659260), (2770, 657594), (3060, 595273), (3070, 593334), (3324, 547995), (3570, 510234), (3684, 494445), (3878, 469710), (4155, 438396), (4284, 425195), (4298, 423810), (4605, 395556), (4709, 386820), (4986, 365330), (5219, 349020), (5355, 340156), (5526, 329630), (5540, 328797), (5817, 313140), (6140, 296667), (6447, 282540), (7140, 255117), (7756, 234855), (8310, 219198), (8596, 211905), (9210, 197778), (9418, 193410), (9695, 187884), (9972, 182665), (10438, 174510), (10710, 170078), (10745, 169524), (11052, 164815), (11634, 156570), (12465, 146132), (12894, 141270), (13815, 131852), (14127, 128940), (15657, 116340), (16620, 109599), (17451, 104380), (18420, 98889), (18836, 96705), (19341, 94180), (19390, 93942), (20876, 87255), (21420, 85039), (21490, 84762), (23268, 78285), (23545, 77364), (24930, 73066), (25788, 70635), (26095, 69804), (27630, 65926), (28254, 64470), (29085, 62628), (31314, 58170), (32235, 56508), (32963, 55260), (34902, 52190), (36533, 49860), (38682, 47090), (38780, 46971), (42381, 42980)]