409657920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{60961}}^1$

素因数の和:60988

約数の個数: 112

約数和(自身を含む): 1486497408

約数和(自身を除く): 1076839488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 60961, 121922, 182883, 243844, 304805, 365766, 426727, 487688, 609610, 731532, 853454, 914415, 975376, 1219220, 1280181, 1463064, 1706908, 1828830, 1950752, 2133635, 2438440, 2560362, 2926128, 3413816, 3657660, 3901504, 4267270, 4876880, 5120724, 5852256, 6400905, 6827632, 7315320, 8534540, 9753760, 10241448, 11704512, 12801810, 13655264, 14630640, 17069080, 19507520, 20482896, 25603620, 27310528, 29261280, 34138160, 40965792, 51207240, 58522560, 68276320, 81931584, 102414480, 136552640, 204828960, 409657920]

約数ペア:

[(1, 409657920), (2, 204828960), (3, 136552640), (4, 102414480), (5, 81931584), (6, 68276320), (7, 58522560), (8, 51207240), (10, 40965792), (12, 34138160), (14, 29261280), (15, 27310528), (16, 25603620), (20, 20482896), (21, 19507520), (24, 17069080), (28, 14630640), (30, 13655264), (32, 12801810), (35, 11704512), (40, 10241448), (42, 9753760), (48, 8534540), (56, 7315320), (60, 6827632), (64, 6400905), (70, 5852256), (80, 5120724), (84, 4876880), (96, 4267270), (105, 3901504), (112, 3657660), (120, 3413816), (140, 2926128), (160, 2560362), (168, 2438440), (192, 2133635), (210, 1950752), (224, 1828830), (240, 1706908), (280, 1463064), (320, 1280181), (336, 1219220), (420, 975376), (448, 914415), (480, 853454), (560, 731532), (672, 609610), (840, 487688), (960, 426727), (1120, 365766), (1344, 304805), (1680, 243844), (2240, 182883), (3360, 121922), (6720, 60961)]