231328240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 642833856

約数和(自身を除く): 411505616

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 73, 80, 88, 104, 110, 130, 143, 146, 176, 208, 220, 260, 277, 286, 292, 365, 440, 520, 554, 572, 584, 715, 730, 803, 880, 949, 1040, 1108, 1144, 1168, 1385, 1430, 1460, 1606, 1898, 2216, 2288, 2770, 2860, 2920, 3047, 3212, 3601, 3796, 4015, 4432, 4745, 5540, 5720, 5840, 6094, 6424, 7202, 7592, 8030, 9490, 10439, 11080, 11440, 12188, 12848, 14404, 15184, 15235, 16060, 18005, 18980, 20221, 20878, 22160, 24376, 28808, 30470, 32120, 36010, 37960, 39611, 40442, 41756, 48752, 52195, 57616, 60940, 64240, 72020, 75920, 79222, 80884, 83512, 101105, 104390, 121880, 144040, 158444, 161768, 167024, 198055, 202210, 208780, 222431, 243760, 262873, 288080, 316888, 323536, 396110, 404420, 417560, 444862, 525746, 633776, 792220, 808840, 835120, 889724, 1051492, 1112155, 1314365, 1584440, 1617680, 1779448, 2102984, 2224310, 2628730, 2891603, 3168880, 3558896, 4205968, 4448620, 5257460, 5783206, 8897240, 10514920, 11566412, 14458015, 17794480, 21029840, 23132824, 28916030, 46265648, 57832060, 115664120, 231328240]

約数ペア:

[(1, 231328240), (2, 115664120), (4, 57832060), (5, 46265648), (8, 28916030), (10, 23132824), (11, 21029840), (13, 17794480), (16, 14458015), (20, 11566412), (22, 10514920), (26, 8897240), (40, 5783206), (44, 5257460), (52, 4448620), (55, 4205968), (65, 3558896), (73, 3168880), (80, 2891603), (88, 2628730), (104, 2224310), (110, 2102984), (130, 1779448), (143, 1617680), (146, 1584440), (176, 1314365), (208, 1112155), (220, 1051492), (260, 889724), (277, 835120), (286, 808840), (292, 792220), (365, 633776), (440, 525746), (520, 444862), (554, 417560), (572, 404420), (584, 396110), (715, 323536), (730, 316888), (803, 288080), (880, 262873), (949, 243760), (1040, 222431), (1108, 208780), (1144, 202210), (1168, 198055), (1385, 167024), (1430, 161768), (1460, 158444), (1606, 144040), (1898, 121880), (2216, 104390), (2288, 101105), (2770, 83512), (2860, 80884), (2920, 79222), (3047, 75920), (3212, 72020), (3601, 64240), (3796, 60940), (4015, 57616), (4432, 52195), (4745, 48752), (5540, 41756), (5720, 40442), (5840, 39611), (6094, 37960), (6424, 36010), (7202, 32120), (7592, 30470), (8030, 28808), (9490, 24376), (10439, 22160), (11080, 20878), (11440, 20221), (12188, 18980), (12848, 18005), (14404, 16060), (15184, 15235)]