161116280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3733}}^1$

素因数の和:3840

約数の個数: 64

約数和(自身を含む): 395206560

約数和(自身を除く): 234090280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1660, 2158, 3320, 3733, 4316, 5395, 7466, 8632, 10790, 14932, 18665, 21580, 29864, 37330, 43160, 48529, 74660, 97058, 149320, 194116, 242645, 309839, 388232, 485290, 619678, 970580, 1239356, 1549195, 1941160, 2478712, 3098390, 4027907, 6196780, 8055814, 12393560, 16111628, 20139535, 32223256, 40279070, 80558140, 161116280]

約数ペア:

[(1, 161116280), (2, 80558140), (4, 40279070), (5, 32223256), (8, 20139535), (10, 16111628), (13, 12393560), (20, 8055814), (26, 6196780), (40, 4027907), (52, 3098390), (65, 2478712), (83, 1941160), (104, 1549195), (130, 1239356), (166, 970580), (260, 619678), (332, 485290), (415, 388232), (520, 309839), (664, 242645), (830, 194116), (1079, 149320), (1660, 97058), (2158, 74660), (3320, 48529), (3733, 43160), (4316, 37330), (5395, 29864), (7466, 21580), (8632, 18665), (10790, 14932)]