78957720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2570

約数の個数: 128

約数和(自身を含む): 272376000

約数和(自身を除く): 193418280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 1044, 1080, 1160, 1305, 1566, 1740, 2088, 2521, 2610, 3132, 3480, 3915, 5042, 5220, 6264, 7563, 7830, 10084, 10440, 12605, 15126, 15660, 20168, 22689, 25210, 30252, 31320, 37815, 45378, 50420, 60504, 68067, 73109, 75630, 90756, 100840, 113445, 136134, 146218, 151260, 181512, 219327, 226890, 272268, 292436, 302520, 340335, 365545, 438654, 453780, 544536, 584872, 657981, 680670, 731090, 877308, 907560, 1096635, 1315962, 1361340, 1462180, 1754616, 1973943, 2193270, 2631924, 2722680, 2924360, 3289905, 3947886, 4386540, 5263848, 6579810, 7895772, 8773080, 9869715, 13159620, 15791544, 19739430, 26319240, 39478860, 78957720]

約数ペア:

[(1, 78957720), (2, 39478860), (3, 26319240), (4, 19739430), (5, 15791544), (6, 13159620), (8, 9869715), (9, 8773080), (10, 7895772), (12, 6579810), (15, 5263848), (18, 4386540), (20, 3947886), (24, 3289905), (27, 2924360), (29, 2722680), (30, 2631924), (36, 2193270), (40, 1973943), (45, 1754616), (54, 1462180), (58, 1361340), (60, 1315962), (72, 1096635), (87, 907560), (90, 877308), (108, 731090), (116, 680670), (120, 657981), (135, 584872), (145, 544536), (174, 453780), (180, 438654), (216, 365545), (232, 340335), (261, 302520), (270, 292436), (290, 272268), (348, 226890), (360, 219327), (435, 181512), (522, 151260), (540, 146218), (580, 136134), (696, 113445), (783, 100840), (870, 90756), (1044, 75630), (1080, 73109), (1160, 68067), (1305, 60504), (1566, 50420), (1740, 45378), (2088, 37815), (2521, 31320), (2610, 30252), (3132, 25210), (3480, 22689), (3915, 20168), (5042, 15660), (5220, 15126), (6264, 12605), (7563, 10440), (7830, 10084)]