990585920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{863}}^1$

素因数の和:1108

約数の個数: 112

約数和(自身を含む): 2512332288

約数和(自身を除く): 1521746368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 211, 272, 320, 340, 422, 544, 680, 844, 863, 1055, 1088, 1360, 1688, 1726, 2110, 2720, 3376, 3452, 3587, 4220, 4315, 5440, 6752, 6904, 7174, 8440, 8630, 13504, 13808, 14348, 14671, 16880, 17260, 17935, 27616, 28696, 29342, 33760, 34520, 35870, 55232, 57392, 58684, 67520, 69040, 71740, 73355, 114784, 117368, 138080, 143480, 146710, 182093, 229568, 234736, 276160, 286960, 293420, 364186, 469472, 573920, 586840, 728372, 910465, 938944, 1147840, 1173680, 1456744, 1820930, 2347360, 2913488, 3095581, 3641860, 4694720, 5826976, 6191162, 7283720, 11653952, 12382324, 14567440, 15477905, 24764648, 29134880, 30955810, 49529296, 58269760, 61911620, 99058592, 123823240, 198117184, 247646480, 495292960, 990585920]

約数ペア:

[(1, 990585920), (2, 495292960), (4, 247646480), (5, 198117184), (8, 123823240), (10, 99058592), (16, 61911620), (17, 58269760), (20, 49529296), (32, 30955810), (34, 29134880), (40, 24764648), (64, 15477905), (68, 14567440), (80, 12382324), (85, 11653952), (136, 7283720), (160, 6191162), (170, 5826976), (211, 4694720), (272, 3641860), (320, 3095581), (340, 2913488), (422, 2347360), (544, 1820930), (680, 1456744), (844, 1173680), (863, 1147840), (1055, 938944), (1088, 910465), (1360, 728372), (1688, 586840), (1726, 573920), (2110, 469472), (2720, 364186), (3376, 293420), (3452, 286960), (3587, 276160), (4220, 234736), (4315, 229568), (5440, 182093), (6752, 146710), (6904, 143480), (7174, 138080), (8440, 117368), (8630, 114784), (13504, 73355), (13808, 71740), (14348, 69040), (14671, 67520), (16880, 58684), (17260, 57392), (17935, 55232), (27616, 35870), (28696, 34520), (29342, 33760)]