128228240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3881}}^1$

素因数の和:3960

約数の個数: 80

約数和(自身を含む): 346584960

約数和(自身を除く): 218356720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1180, 1652, 2065, 2360, 3304, 3881, 4130, 4720, 6608, 7762, 8260, 15524, 16520, 19405, 27167, 31048, 33040, 38810, 54334, 62096, 77620, 108668, 135835, 155240, 217336, 228979, 271670, 310480, 434672, 457958, 543340, 915916, 1086680, 1144895, 1602853, 1831832, 2173360, 2289790, 3205706, 3663664, 4579580, 6411412, 8014265, 9159160, 12822824, 16028530, 18318320, 25645648, 32057060, 64114120, 128228240]

約数ペア:

[(1, 128228240), (2, 64114120), (4, 32057060), (5, 25645648), (7, 18318320), (8, 16028530), (10, 12822824), (14, 9159160), (16, 8014265), (20, 6411412), (28, 4579580), (35, 3663664), (40, 3205706), (56, 2289790), (59, 2173360), (70, 1831832), (80, 1602853), (112, 1144895), (118, 1086680), (140, 915916), (236, 543340), (280, 457958), (295, 434672), (413, 310480), (472, 271670), (560, 228979), (590, 217336), (826, 155240), (944, 135835), (1180, 108668), (1652, 77620), (2065, 62096), (2360, 54334), (3304, 38810), (3881, 33040), (4130, 31048), (4720, 27167), (6608, 19405), (7762, 16520), (8260, 15524)]