287520320

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3109}}^1$

素因数の和:3160

約数の個数: 84

約数和(自身を含む): 727534740

約数和(自身を除く): 440014420

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 289, 320, 340, 544, 578, 680, 1088, 1156, 1360, 1445, 2312, 2720, 2890, 3109, 4624, 5440, 5780, 6218, 9248, 11560, 12436, 15545, 18496, 23120, 24872, 31090, 46240, 49744, 52853, 62180, 92480, 99488, 105706, 124360, 198976, 211412, 248720, 264265, 422824, 497440, 528530, 845648, 898501, 994880, 1057060, 1691296, 1797002, 2114120, 3382592, 3594004, 4228240, 4492505, 7188008, 8456480, 8985010, 14376016, 16912960, 17970020, 28752032, 35940040, 57504064, 71880080, 143760160, 287520320]

約数ペア:

[(1, 287520320), (2, 143760160), (4, 71880080), (5, 57504064), (8, 35940040), (10, 28752032), (16, 17970020), (17, 16912960), (20, 14376016), (32, 8985010), (34, 8456480), (40, 7188008), (64, 4492505), (68, 4228240), (80, 3594004), (85, 3382592), (136, 2114120), (160, 1797002), (170, 1691296), (272, 1057060), (289, 994880), (320, 898501), (340, 845648), (544, 528530), (578, 497440), (680, 422824), (1088, 264265), (1156, 248720), (1360, 211412), (1445, 198976), (2312, 124360), (2720, 105706), (2890, 99488), (3109, 92480), (4624, 62180), (5440, 52853), (5780, 49744), (6218, 46240), (9248, 31090), (11560, 24872), (12436, 23120), (15545, 18496)]