268587440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 715507776

約数和(自身を除く): 446920336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 73, 74, 80, 88, 110, 113, 146, 148, 176, 185, 220, 226, 292, 296, 365, 370, 407, 440, 452, 565, 584, 592, 730, 740, 803, 814, 880, 904, 1130, 1168, 1243, 1460, 1480, 1606, 1628, 1808, 2035, 2260, 2486, 2701, 2920, 2960, 3212, 3256, 4015, 4070, 4181, 4520, 4972, 5402, 5840, 6215, 6424, 6512, 8030, 8140, 8249, 8362, 9040, 9944, 10804, 12430, 12848, 13505, 16060, 16280, 16498, 16724, 19888, 20905, 21608, 24860, 27010, 29711, 32120, 32560, 32996, 33448, 41245, 41810, 43216, 45991, 49720, 54020, 59422, 64240, 65992, 66896, 82490, 83620, 90739, 91982, 99440, 108040, 118844, 131984, 148555, 164980, 167240, 181478, 183964, 216080, 229955, 237688, 297110, 305213, 329960, 334480, 362956, 367928, 453695, 459910, 475376, 594220, 610426, 659920, 725912, 735856, 907390, 919820, 1188440, 1220852, 1451824, 1526065, 1814780, 1839640, 2376880, 2441704, 3052130, 3357343, 3629560, 3679280, 4883408, 6104260, 6714686, 7259120, 12208520, 13429372, 16786715, 24417040, 26858744, 33573430, 53717488, 67146860, 134293720, 268587440]

約数ペア:

[(1, 268587440), (2, 134293720), (4, 67146860), (5, 53717488), (8, 33573430), (10, 26858744), (11, 24417040), (16, 16786715), (20, 13429372), (22, 12208520), (37, 7259120), (40, 6714686), (44, 6104260), (55, 4883408), (73, 3679280), (74, 3629560), (80, 3357343), (88, 3052130), (110, 2441704), (113, 2376880), (146, 1839640), (148, 1814780), (176, 1526065), (185, 1451824), (220, 1220852), (226, 1188440), (292, 919820), (296, 907390), (365, 735856), (370, 725912), (407, 659920), (440, 610426), (452, 594220), (565, 475376), (584, 459910), (592, 453695), (730, 367928), (740, 362956), (803, 334480), (814, 329960), (880, 305213), (904, 297110), (1130, 237688), (1168, 229955), (1243, 216080), (1460, 183964), (1480, 181478), (1606, 167240), (1628, 164980), (1808, 148555), (2035, 131984), (2260, 118844), (2486, 108040), (2701, 99440), (2920, 91982), (2960, 90739), (3212, 83620), (3256, 82490), (4015, 66896), (4070, 65992), (4181, 64240), (4520, 59422), (4972, 54020), (5402, 49720), (5840, 45991), (6215, 43216), (6424, 41810), (6512, 41245), (8030, 33448), (8140, 32996), (8249, 32560), (8362, 32120), (9040, 29711), (9944, 27010), (10804, 24860), (12430, 21608), (12848, 20905), (13505, 19888), (16060, 16724), (16280, 16498)]