163760680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1787}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 386208000

約数和(自身を除く): 222447320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 232, 290, 316, 395, 580, 632, 790, 1160, 1580, 1787, 2291, 3160, 3574, 4582, 7148, 8935, 9164, 11455, 14296, 17870, 18328, 22910, 35740, 45820, 51823, 71480, 91640, 103646, 141173, 207292, 259115, 282346, 414584, 518230, 564692, 705865, 1036460, 1129384, 1411730, 2072920, 2823460, 4094017, 5646920, 8188034, 16376068, 20470085, 32752136, 40940170, 81880340, 163760680]

約数ペア:

[(1, 163760680), (2, 81880340), (4, 40940170), (5, 32752136), (8, 20470085), (10, 16376068), (20, 8188034), (29, 5646920), (40, 4094017), (58, 2823460), (79, 2072920), (116, 1411730), (145, 1129384), (158, 1036460), (232, 705865), (290, 564692), (316, 518230), (395, 414584), (580, 282346), (632, 259115), (790, 207292), (1160, 141173), (1580, 103646), (1787, 91640), (2291, 71480), (3160, 51823), (3574, 45820), (4582, 35740), (7148, 22910), (8935, 18328), (9164, 17870), (11455, 14296)]