128910720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67141}}^1$

素因数の和:67163

約数の個数: 64

約数和(自身を含む): 410909040

約数和(自身を除く): 281998320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 67141, 134282, 201423, 268564, 335705, 402846, 537128, 671410, 805692, 1007115, 1074256, 1342820, 1611384, 2014230, 2148512, 2685640, 3222768, 4028460, 4297024, 5371280, 6445536, 8056920, 8594048, 10742560, 12891072, 16113840, 21485120, 25782144, 32227680, 42970240, 64455360, 128910720]

約数ペア:

[(1, 128910720), (2, 64455360), (3, 42970240), (4, 32227680), (5, 25782144), (6, 21485120), (8, 16113840), (10, 12891072), (12, 10742560), (15, 8594048), (16, 8056920), (20, 6445536), (24, 5371280), (30, 4297024), (32, 4028460), (40, 3222768), (48, 2685640), (60, 2148512), (64, 2014230), (80, 1611384), (96, 1342820), (120, 1074256), (128, 1007115), (160, 805692), (192, 671410), (240, 537128), (320, 402846), (384, 335705), (480, 268564), (640, 201423), (960, 134282), (1920, 67141)]