72160816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1709}}^1$

素因数の和:1766

約数の個数: 80

約数和(自身を含む): 178113600

約数和(自身を除く): 105952784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 232, 364, 377, 406, 464, 728, 754, 812, 1456, 1508, 1624, 1709, 2639, 3016, 3248, 3418, 5278, 6032, 6836, 10556, 11963, 13672, 21112, 22217, 23926, 27344, 42224, 44434, 47852, 49561, 88868, 95704, 99122, 155519, 177736, 191408, 198244, 311038, 346927, 355472, 396488, 622076, 644293, 693854, 792976, 1244152, 1288586, 1387708, 2488304, 2577172, 2775416, 4510051, 5154344, 5550832, 9020102, 10308688, 18040204, 36080408, 72160816]

約数ペア:

[(1, 72160816), (2, 36080408), (4, 18040204), (7, 10308688), (8, 9020102), (13, 5550832), (14, 5154344), (16, 4510051), (26, 2775416), (28, 2577172), (29, 2488304), (52, 1387708), (56, 1288586), (58, 1244152), (91, 792976), (104, 693854), (112, 644293), (116, 622076), (182, 396488), (203, 355472), (208, 346927), (232, 311038), (364, 198244), (377, 191408), (406, 177736), (464, 155519), (728, 99122), (754, 95704), (812, 88868), (1456, 49561), (1508, 47852), (1624, 44434), (1709, 42224), (2639, 27344), (3016, 23926), (3248, 22217), (3418, 21112), (5278, 13672), (6032, 11963), (6836, 10556)]