31683080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 55408120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 29, 40, 44, 52, 55, 58, 65, 88, 104, 110, 116, 130, 143, 145, 191, 220, 232, 260, 286, 290, 319, 377, 382, 440, 520, 572, 580, 638, 715, 754, 764, 955, 1144, 1160, 1276, 1430, 1508, 1528, 1595, 1885, 1910, 2101, 2483, 2552, 2860, 3016, 3190, 3770, 3820, 4147, 4202, 4966, 5539, 5720, 6380, 7540, 7640, 8294, 8404, 9932, 10505, 11078, 12415, 12760, 15080, 16588, 16808, 19864, 20735, 21010, 22156, 24830, 27313, 27695, 33176, 41470, 42020, 44312, 49660, 54626, 55390, 60929, 72007, 82940, 84040, 99320, 109252, 110780, 121858, 136565, 144014, 165880, 218504, 221560, 243716, 273130, 288028, 304645, 360035, 487432, 546260, 576056, 609290, 720070, 792077, 1092520, 1218580, 1440140, 1584154, 2437160, 2880280, 3168308, 3960385, 6336616, 7920770, 15841540, 31683080]

約数ペア:

[(1, 31683080), (2, 15841540), (4, 7920770), (5, 6336616), (8, 3960385), (10, 3168308), (11, 2880280), (13, 2437160), (20, 1584154), (22, 1440140), (26, 1218580), (29, 1092520), (40, 792077), (44, 720070), (52, 609290), (55, 576056), (58, 546260), (65, 487432), (88, 360035), (104, 304645), (110, 288028), (116, 273130), (130, 243716), (143, 221560), (145, 218504), (191, 165880), (220, 144014), (232, 136565), (260, 121858), (286, 110780), (290, 109252), (319, 99320), (377, 84040), (382, 82940), (440, 72007), (520, 60929), (572, 55390), (580, 54626), (638, 49660), (715, 44312), (754, 42020), (764, 41470), (955, 33176), (1144, 27695), (1160, 27313), (1276, 24830), (1430, 22156), (1508, 21010), (1528, 20735), (1595, 19864), (1885, 16808), (1910, 16588), (2101, 15080), (2483, 12760), (2552, 12415), (2860, 11078), (3016, 10505), (3190, 9932), (3770, 8404), (3820, 8294), (4147, 7640), (4202, 7540), (4966, 6380), (5539, 5720)]