131866280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2131}}^1$

素因数の和:2179

約数の個数: 128

約数和(自身を含む): 386830080

約数和(自身を除く): 254963800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2131, 2210, 2380, 3094, 3640, 4262, 4420, 4760, 6188, 7735, 8524, 8840, 10655, 12376, 14917, 15470, 17048, 21310, 27703, 29834, 30940, 36227, 42620, 55406, 59668, 61880, 72454, 74585, 85240, 110812, 119336, 138515, 144908, 149170, 181135, 193921, 221624, 253589, 277030, 289816, 298340, 362270, 387842, 470951, 507178, 554060, 596680, 724540, 775684, 941902, 969605, 1014356, 1108120, 1267945, 1449080, 1551368, 1883804, 1939210, 2028712, 2354755, 2535890, 3296657, 3767608, 3878420, 4709510, 5071780, 6593314, 7756840, 9419020, 10143560, 13186628, 16483285, 18838040, 26373256, 32966570, 65933140, 131866280]

約数ペア:

[(1, 131866280), (2, 65933140), (4, 32966570), (5, 26373256), (7, 18838040), (8, 16483285), (10, 13186628), (13, 10143560), (14, 9419020), (17, 7756840), (20, 6593314), (26, 5071780), (28, 4709510), (34, 3878420), (35, 3767608), (40, 3296657), (52, 2535890), (56, 2354755), (65, 2028712), (68, 1939210), (70, 1883804), (85, 1551368), (91, 1449080), (104, 1267945), (119, 1108120), (130, 1014356), (136, 969605), (140, 941902), (170, 775684), (182, 724540), (221, 596680), (238, 554060), (260, 507178), (280, 470951), (340, 387842), (364, 362270), (442, 298340), (455, 289816), (476, 277030), (520, 253589), (595, 221624), (680, 193921), (728, 181135), (884, 149170), (910, 144908), (952, 138515), (1105, 119336), (1190, 110812), (1547, 85240), (1768, 74585), (1820, 72454), (2131, 61880), (2210, 59668), (2380, 55406), (3094, 42620), (3640, 36227), (4262, 30940), (4420, 29834), (4760, 27703), (6188, 21310), (7735, 17048), (8524, 15470), (8840, 14917), (10655, 12376)]