208786680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2110

約数の個数: 128

約数和(自身を含む): 703483200

約数和(自身を除く): 494696520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 97, 108, 120, 135, 180, 194, 216, 270, 291, 360, 388, 485, 540, 582, 776, 873, 970, 1080, 1164, 1455, 1746, 1940, 1993, 2328, 2619, 2910, 3492, 3880, 3986, 4365, 5238, 5820, 5979, 6984, 7972, 8730, 9965, 10476, 11640, 11958, 13095, 15944, 17460, 17937, 19930, 20952, 23916, 26190, 29895, 34920, 35874, 39860, 47832, 52380, 53811, 59790, 71748, 79720, 89685, 104760, 107622, 119580, 143496, 179370, 193321, 215244, 239160, 269055, 358740, 386642, 430488, 538110, 579963, 717480, 773284, 966605, 1076220, 1159926, 1546568, 1739889, 1933210, 2152440, 2319852, 2899815, 3479778, 3866420, 4639704, 5219667, 5799630, 6959556, 7732840, 8699445, 10439334, 11599260, 13919112, 17398890, 20878668, 23198520, 26098335, 34797780, 41757336, 52196670, 69595560, 104393340, 208786680]

約数ペア:

[(1, 208786680), (2, 104393340), (3, 69595560), (4, 52196670), (5, 41757336), (6, 34797780), (8, 26098335), (9, 23198520), (10, 20878668), (12, 17398890), (15, 13919112), (18, 11599260), (20, 10439334), (24, 8699445), (27, 7732840), (30, 6959556), (36, 5799630), (40, 5219667), (45, 4639704), (54, 3866420), (60, 3479778), (72, 2899815), (90, 2319852), (97, 2152440), (108, 1933210), (120, 1739889), (135, 1546568), (180, 1159926), (194, 1076220), (216, 966605), (270, 773284), (291, 717480), (360, 579963), (388, 538110), (485, 430488), (540, 386642), (582, 358740), (776, 269055), (873, 239160), (970, 215244), (1080, 193321), (1164, 179370), (1455, 143496), (1746, 119580), (1940, 107622), (1993, 104760), (2328, 89685), (2619, 79720), (2910, 71748), (3492, 59790), (3880, 53811), (3986, 52380), (4365, 47832), (5238, 39860), (5820, 35874), (5979, 34920), (6984, 29895), (7972, 26190), (8730, 23916), (9965, 20952), (10476, 19930), (11640, 17937), (11958, 17460), (13095, 15944)]