212317920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{521}}^1$

素因数の和:825

約数の個数: 144

約数和(自身を含む): 728490672

約数和(自身を除く): 516172752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 283, 288, 360, 480, 521, 566, 720, 849, 1042, 1132, 1415, 1440, 1563, 1698, 2084, 2264, 2547, 2605, 2830, 3126, 3396, 4168, 4245, 4528, 4689, 5094, 5210, 5660, 6252, 6792, 7815, 8336, 8490, 9056, 9378, 10188, 10420, 11320, 12504, 12735, 13584, 15630, 16672, 16980, 18756, 20376, 20840, 22640, 23445, 25008, 25470, 27168, 31260, 33960, 37512, 40752, 41680, 45280, 46890, 50016, 50940, 62520, 67920, 75024, 81504, 83360, 93780, 101880, 125040, 135840, 147443, 150048, 187560, 203760, 250080, 294886, 375120, 407520, 442329, 589772, 737215, 750240, 884658, 1179544, 1326987, 1474430, 1769316, 2211645, 2359088, 2653974, 2948860, 3538632, 4423290, 4718176, 5307948, 5897720, 6634935, 7077264, 8846580, 10615896, 11795440, 13269870, 14154528, 17693160, 21231792, 23590880, 26539740, 35386320, 42463584, 53079480, 70772640, 106158960, 212317920]

約数ペア:

[(1, 212317920), (2, 106158960), (3, 70772640), (4, 53079480), (5, 42463584), (6, 35386320), (8, 26539740), (9, 23590880), (10, 21231792), (12, 17693160), (15, 14154528), (16, 13269870), (18, 11795440), (20, 10615896), (24, 8846580), (30, 7077264), (32, 6634935), (36, 5897720), (40, 5307948), (45, 4718176), (48, 4423290), (60, 3538632), (72, 2948860), (80, 2653974), (90, 2359088), (96, 2211645), (120, 1769316), (144, 1474430), (160, 1326987), (180, 1179544), (240, 884658), (283, 750240), (288, 737215), (360, 589772), (480, 442329), (521, 407520), (566, 375120), (720, 294886), (849, 250080), (1042, 203760), (1132, 187560), (1415, 150048), (1440, 147443), (1563, 135840), (1698, 125040), (2084, 101880), (2264, 93780), (2547, 83360), (2605, 81504), (2830, 75024), (3126, 67920), (3396, 62520), (4168, 50940), (4245, 50016), (4528, 46890), (4689, 45280), (5094, 41680), (5210, 40752), (5660, 37512), (6252, 33960), (6792, 31260), (7815, 27168), (8336, 25470), (8490, 25008), (9056, 23445), (9378, 22640), (10188, 20840), (10420, 20376), (11320, 18756), (12504, 16980), (12735, 16672), (13584, 15630)]