211028280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 651386880

約数和(自身を除く): 440358600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 127, 183, 227, 244, 254, 305, 366, 381, 454, 488, 508, 610, 635, 681, 732, 762, 908, 915, 1016, 1135, 1220, 1270, 1362, 1464, 1524, 1816, 1830, 1905, 2270, 2440, 2540, 2724, 3048, 3405, 3660, 3810, 4540, 5080, 5448, 6810, 7320, 7620, 7747, 9080, 13620, 13847, 15240, 15494, 23241, 27240, 27694, 28829, 30988, 38735, 41541, 46482, 55388, 57658, 61976, 69235, 77470, 83082, 86487, 92964, 110776, 115316, 116205, 138470, 144145, 154940, 166164, 172974, 185928, 207705, 230632, 232410, 276940, 288290, 309880, 332328, 345948, 415410, 432435, 464820, 553880, 576580, 691896, 830820, 864870, 929640, 1153160, 1661640, 1729740, 1758569, 3459480, 3517138, 5275707, 7034276, 8792845, 10551414, 14068552, 17585690, 21102828, 26378535, 35171380, 42205656, 52757070, 70342760, 105514140, 211028280]

約数ペア:

[(1, 211028280), (2, 105514140), (3, 70342760), (4, 52757070), (5, 42205656), (6, 35171380), (8, 26378535), (10, 21102828), (12, 17585690), (15, 14068552), (20, 10551414), (24, 8792845), (30, 7034276), (40, 5275707), (60, 3517138), (61, 3459480), (120, 1758569), (122, 1729740), (127, 1661640), (183, 1153160), (227, 929640), (244, 864870), (254, 830820), (305, 691896), (366, 576580), (381, 553880), (454, 464820), (488, 432435), (508, 415410), (610, 345948), (635, 332328), (681, 309880), (732, 288290), (762, 276940), (908, 232410), (915, 230632), (1016, 207705), (1135, 185928), (1220, 172974), (1270, 166164), (1362, 154940), (1464, 144145), (1524, 138470), (1816, 116205), (1830, 115316), (1905, 110776), (2270, 92964), (2440, 86487), (2540, 83082), (2724, 77470), (3048, 69235), (3405, 61976), (3660, 57658), (3810, 55388), (4540, 46482), (5080, 41541), (5448, 38735), (6810, 30988), (7320, 28829), (7620, 27694), (7747, 27240), (9080, 23241), (13620, 15494), (13847, 15240)]