15668752840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{20681}}^1$

素因数の和:20783

約数の個数: 128

約数和(自身を含む): 40027115520

約数和(自身を除く): 24358362680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 47, 52, 62, 65, 94, 104, 124, 130, 155, 188, 235, 248, 260, 310, 376, 403, 470, 520, 611, 620, 806, 940, 1222, 1240, 1457, 1612, 1880, 2015, 2444, 2914, 3055, 3224, 4030, 4888, 5828, 6110, 7285, 8060, 11656, 12220, 14570, 16120, 18941, 20681, 24440, 29140, 37882, 41362, 58280, 75764, 82724, 94705, 103405, 151528, 165448, 189410, 206810, 268853, 378820, 413620, 537706, 641111, 757640, 827240, 972007, 1075412, 1282222, 1344265, 1944014, 2150824, 2564444, 2688530, 3205555, 3888028, 4860035, 5128888, 5377060, 6411110, 7776056, 8334443, 9720070, 10754120, 12636091, 12822220, 16668886, 19440140, 25272182, 25644440, 30132217, 33337772, 38880280, 41672215, 50544364, 60264434, 63180455, 66675544, 83344430, 101088728, 120528868, 126360910, 150661085, 166688860, 241057736, 252721820, 301322170, 333377720, 391718821, 505443640, 602644340, 783437642, 1205288680, 1566875284, 1958594105, 3133750568, 3917188210, 7834376420, 15668752840]

約数ペア:

[(1, 15668752840), (2, 7834376420), (4, 3917188210), (5, 3133750568), (8, 1958594105), (10, 1566875284), (13, 1205288680), (20, 783437642), (26, 602644340), (31, 505443640), (40, 391718821), (47, 333377720), (52, 301322170), (62, 252721820), (65, 241057736), (94, 166688860), (104, 150661085), (124, 126360910), (130, 120528868), (155, 101088728), (188, 83344430), (235, 66675544), (248, 63180455), (260, 60264434), (310, 50544364), (376, 41672215), (403, 38880280), (470, 33337772), (520, 30132217), (611, 25644440), (620, 25272182), (806, 19440140), (940, 16668886), (1222, 12822220), (1240, 12636091), (1457, 10754120), (1612, 9720070), (1880, 8334443), (2015, 7776056), (2444, 6411110), (2914, 5377060), (3055, 5128888), (3224, 4860035), (4030, 3888028), (4888, 3205555), (5828, 2688530), (6110, 2564444), (7285, 2150824), (8060, 1944014), (11656, 1344265), (12220, 1282222), (14570, 1075412), (16120, 972007), (18941, 827240), (20681, 757640), (24440, 641111), (29140, 537706), (37882, 413620), (41362, 378820), (58280, 268853), (75764, 206810), (82724, 189410), (94705, 165448), (103405, 151528)]