128897160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{153449}}^1$

素因数の和:153470

約数の個数: 64

約数和(自身を含む): 441936000

約数和(自身を除く): 313038840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 153449, 306898, 460347, 613796, 767245, 920694, 1074143, 1227592, 1534490, 1841388, 2148286, 2301735, 3068980, 3222429, 3682776, 4296572, 4603470, 5370715, 6137960, 6444858, 8593144, 9206940, 10741430, 12889716, 16112145, 18413880, 21482860, 25779432, 32224290, 42965720, 64448580, 128897160]

約数ペア:

[(1, 128897160), (2, 64448580), (3, 42965720), (4, 32224290), (5, 25779432), (6, 21482860), (7, 18413880), (8, 16112145), (10, 12889716), (12, 10741430), (14, 9206940), (15, 8593144), (20, 6444858), (21, 6137960), (24, 5370715), (28, 4603470), (30, 4296572), (35, 3682776), (40, 3222429), (42, 3068980), (56, 2301735), (60, 2148286), (70, 1841388), (84, 1534490), (105, 1227592), (120, 1074143), (140, 920694), (168, 767245), (210, 613796), (280, 460347), (420, 306898), (840, 153449)]