42211520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 112

約数和(自身を含む): 110520480

約数和(自身を除く): 68308960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 130, 139, 146, 160, 208, 260, 278, 292, 320, 365, 416, 520, 556, 584, 695, 730, 832, 949, 1040, 1112, 1168, 1390, 1460, 1807, 1898, 2080, 2224, 2336, 2780, 2920, 3614, 3796, 4160, 4448, 4672, 4745, 5560, 5840, 7228, 7592, 8896, 9035, 9490, 10147, 11120, 11680, 14456, 15184, 18070, 18980, 20294, 22240, 23360, 28912, 30368, 36140, 37960, 40588, 44480, 50735, 57824, 60736, 72280, 75920, 81176, 101470, 115648, 131911, 144560, 151840, 162352, 202940, 263822, 289120, 303680, 324704, 405880, 527644, 578240, 649408, 659555, 811760, 1055288, 1319110, 1623520, 2110576, 2638220, 3247040, 4221152, 5276440, 8442304, 10552880, 21105760, 42211520]

約数ペア:

[(1, 42211520), (2, 21105760), (4, 10552880), (5, 8442304), (8, 5276440), (10, 4221152), (13, 3247040), (16, 2638220), (20, 2110576), (26, 1623520), (32, 1319110), (40, 1055288), (52, 811760), (64, 659555), (65, 649408), (73, 578240), (80, 527644), (104, 405880), (130, 324704), (139, 303680), (146, 289120), (160, 263822), (208, 202940), (260, 162352), (278, 151840), (292, 144560), (320, 131911), (365, 115648), (416, 101470), (520, 81176), (556, 75920), (584, 72280), (695, 60736), (730, 57824), (832, 50735), (949, 44480), (1040, 40588), (1112, 37960), (1168, 36140), (1390, 30368), (1460, 28912), (1807, 23360), (1898, 22240), (2080, 20294), (2224, 18980), (2336, 18070), (2780, 15184), (2920, 14456), (3614, 11680), (3796, 11120), (4160, 10147), (4448, 9490), (4672, 9035), (4745, 8896), (5560, 7592), (5840, 7228)]