129615920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3923}}^1$

素因数の和:4002

約数の個数: 80

約数和(自身を含む): 350334720

約数和(自身を除く): 220718800

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, 3923, 4130, 4720, 6608, 7846, 8260, 15692, 16520, 19615, 27461, 31384, 33040, 39230, 54922, 62768, 78460, 109844, 137305, 156920, 219688, 231457, 274610, 313840, 439376, 462914, 549220, 925828, 1098440, 1157285, 1620199, 1851656, 2196880, 2314570, 3240398, 3703312, 4629140, 6480796, 8100995, 9258280, 12961592, 16201990, 18516560, 25923184, 32403980, 64807960, 129615920]

約数ペア:

[(1, 129615920), (2, 64807960), (4, 32403980), (5, 25923184), (7, 18516560), (8, 16201990), (10, 12961592), (14, 9258280), (16, 8100995), (20, 6480796), (28, 4629140), (35, 3703312), (40, 3240398), (56, 2314570), (59, 2196880), (70, 1851656), (80, 1620199), (112, 1157285), (118, 1098440), (140, 925828), (236, 549220), (280, 462914), (295, 439376), (413, 313840), (472, 274610), (560, 231457), (590, 219688), (826, 156920), (944, 137305), (1180, 109844), (1652, 78460), (2065, 62768), (2360, 54922), (3304, 39230), (3923, 33040), (4130, 31384), (4720, 27461), (6608, 19615), (7846, 16520), (8260, 15692)]