121990960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1289}}^1$

素因数の和:1335

約数の個数: 120

約数和(自身を含む): 351272160

約数和(自身を除く): 229281200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 676, 728, 845, 910, 1040, 1183, 1289, 1352, 1456, 1690, 1820, 2366, 2578, 2704, 3380, 3640, 4732, 5156, 5915, 6445, 6760, 7280, 9023, 9464, 10312, 11830, 12890, 13520, 16757, 18046, 18928, 20624, 23660, 25780, 33514, 36092, 45115, 47320, 51560, 67028, 72184, 83785, 90230, 94640, 103120, 117299, 134056, 144368, 167570, 180460, 217841, 234598, 268112, 335140, 360920, 435682, 469196, 586495, 670280, 721840, 871364, 938392, 1089205, 1172990, 1340560, 1524887, 1742728, 1876784, 2178410, 2345980, 3049774, 3485456, 4356820, 4691960, 6099548, 7624435, 8713640, 9383920, 12199096, 15248870, 17427280, 24398192, 30497740, 60995480, 121990960]

約数ペア:

[(1, 121990960), (2, 60995480), (4, 30497740), (5, 24398192), (7, 17427280), (8, 15248870), (10, 12199096), (13, 9383920), (14, 8713640), (16, 7624435), (20, 6099548), (26, 4691960), (28, 4356820), (35, 3485456), (40, 3049774), (52, 2345980), (56, 2178410), (65, 1876784), (70, 1742728), (80, 1524887), (91, 1340560), (104, 1172990), (112, 1089205), (130, 938392), (140, 871364), (169, 721840), (182, 670280), (208, 586495), (260, 469196), (280, 435682), (338, 360920), (364, 335140), (455, 268112), (520, 234598), (560, 217841), (676, 180460), (728, 167570), (845, 144368), (910, 134056), (1040, 117299), (1183, 103120), (1289, 94640), (1352, 90230), (1456, 83785), (1690, 72184), (1820, 67028), (2366, 51560), (2578, 47320), (2704, 45115), (3380, 36092), (3640, 33514), (4732, 25780), (5156, 23660), (5915, 20624), (6445, 18928), (6760, 18046), (7280, 16757), (9023, 13520), (9464, 12890), (10312, 11830)]