55920420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 181621440

約数和(自身を除く): 125701020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 83, 90, 95, 114, 166, 171, 180, 190, 197, 228, 249, 285, 332, 342, 380, 394, 415, 498, 570, 591, 684, 747, 788, 830, 855, 985, 996, 1140, 1182, 1245, 1494, 1577, 1660, 1710, 1773, 1970, 2364, 2490, 2955, 2988, 3154, 3420, 3546, 3735, 3743, 3940, 4731, 4980, 5910, 6308, 7092, 7470, 7486, 7885, 8865, 9462, 11229, 11820, 14193, 14940, 14972, 15770, 16351, 17730, 18715, 18924, 22458, 23655, 28386, 31540, 32702, 33687, 35460, 37430, 44916, 47310, 49053, 56145, 56772, 65404, 67374, 70965, 74860, 81755, 94620, 98106, 112290, 134748, 141930, 147159, 163510, 168435, 196212, 224580, 245265, 283860, 294318, 310669, 327020, 336870, 490530, 588636, 621338, 673740, 735795, 932007, 981060, 1242676, 1471590, 1553345, 1864014, 2796021, 2943180, 3106690, 3728028, 4660035, 5592042, 6213380, 9320070, 11184084, 13980105, 18640140, 27960210, 55920420]

約数ペア:

[(1, 55920420), (2, 27960210), (3, 18640140), (4, 13980105), (5, 11184084), (6, 9320070), (9, 6213380), (10, 5592042), (12, 4660035), (15, 3728028), (18, 3106690), (19, 2943180), (20, 2796021), (30, 1864014), (36, 1553345), (38, 1471590), (45, 1242676), (57, 981060), (60, 932007), (76, 735795), (83, 673740), (90, 621338), (95, 588636), (114, 490530), (166, 336870), (171, 327020), (180, 310669), (190, 294318), (197, 283860), (228, 245265), (249, 224580), (285, 196212), (332, 168435), (342, 163510), (380, 147159), (394, 141930), (415, 134748), (498, 112290), (570, 98106), (591, 94620), (684, 81755), (747, 74860), (788, 70965), (830, 67374), (855, 65404), (985, 56772), (996, 56145), (1140, 49053), (1182, 47310), (1245, 44916), (1494, 37430), (1577, 35460), (1660, 33687), (1710, 32702), (1773, 31540), (1970, 28386), (2364, 23655), (2490, 22458), (2955, 18924), (2988, 18715), (3154, 17730), (3420, 16351), (3546, 15770), (3735, 14972), (3743, 14940), (3940, 14193), (4731, 11820), (4980, 11229), (5910, 9462), (6308, 8865), (7092, 7885), (7470, 7486)]