64928640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{4831}}^1$

素因数の和:4860

約数の個数: 128

約数和(自身を含む): 236574720

約数和(自身を除く): 171646080

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, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 4831, 6720, 9662, 13440, 14493, 19324, 24155, 28986, 33817, 38648, 48310, 57972, 67634, 72465, 77296, 96620, 101451, 115944, 135268, 144930, 154592, 169085, 193240, 202902, 231888, 270536, 289860, 309184, 338170, 386480, 405804, 463776, 507255, 541072, 579720, 618368, 676340, 772960, 811608, 927552, 1014510, 1082144, 1159440, 1352680, 1545920, 1623216, 1855104, 2029020, 2164288, 2318880, 2705360, 3091840, 3246432, 4058040, 4328576, 4637760, 5410720, 6492864, 8116080, 9275520, 10821440, 12985728, 16232160, 21642880, 32464320, 64928640]

約数ペア:

[(1, 64928640), (2, 32464320), (3, 21642880), (4, 16232160), (5, 12985728), (6, 10821440), (7, 9275520), (8, 8116080), (10, 6492864), (12, 5410720), (14, 4637760), (15, 4328576), (16, 4058040), (20, 3246432), (21, 3091840), (24, 2705360), (28, 2318880), (30, 2164288), (32, 2029020), (35, 1855104), (40, 1623216), (42, 1545920), (48, 1352680), (56, 1159440), (60, 1082144), (64, 1014510), (70, 927552), (80, 811608), (84, 772960), (96, 676340), (105, 618368), (112, 579720), (120, 541072), (128, 507255), (140, 463776), (160, 405804), (168, 386480), (192, 338170), (210, 309184), (224, 289860), (240, 270536), (280, 231888), (320, 202902), (336, 193240), (384, 169085), (420, 154592), (448, 144930), (480, 135268), (560, 115944), (640, 101451), (672, 96620), (840, 77296), (896, 72465), (960, 67634), (1120, 57972), (1344, 48310), (1680, 38648), (1920, 33817), (2240, 28986), (2688, 24155), (3360, 19324), (4480, 14493), (4831, 13440), (6720, 9662)]