131371760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2141}}^1$

素因数の和:2226

約数の個数: 80

約数和(自身を含む): 334666080

約数和(自身を除く): 203294320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1534, 2141, 2360, 3068, 3835, 4282, 4720, 6136, 7670, 8564, 10705, 12272, 15340, 17128, 21410, 27833, 30680, 34256, 42820, 55666, 61360, 85640, 111332, 126319, 139165, 171280, 222664, 252638, 278330, 445328, 505276, 556660, 631595, 1010552, 1113320, 1263190, 1642147, 2021104, 2226640, 2526380, 3284294, 5052760, 6568588, 8210735, 10105520, 13137176, 16421470, 26274352, 32842940, 65685880, 131371760]

約数ペア:

[(1, 131371760), (2, 65685880), (4, 32842940), (5, 26274352), (8, 16421470), (10, 13137176), (13, 10105520), (16, 8210735), (20, 6568588), (26, 5052760), (40, 3284294), (52, 2526380), (59, 2226640), (65, 2021104), (80, 1642147), (104, 1263190), (118, 1113320), (130, 1010552), (208, 631595), (236, 556660), (260, 505276), (295, 445328), (472, 278330), (520, 252638), (590, 222664), (767, 171280), (944, 139165), (1040, 126319), (1180, 111332), (1534, 85640), (2141, 61360), (2360, 55666), (3068, 42820), (3835, 34256), (4282, 30680), (4720, 27833), (6136, 21410), (7670, 17128), (8564, 15340), (10705, 12272)]