31721760

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{1049}}^1$

素因数の和:1080

約数の個数: 192

約数和(自身を含む): 127008000

約数和(自身を除く): 95286240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1049, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2098, 2160, 2520, 3024, 3147, 3360, 3780, 4196, 4320, 5040, 5245, 6048, 6294, 7343, 7560, 8392, 9441, 10080, 10490, 12588, 14686, 15120, 15735, 16784, 18882, 20980, 22029, 25176, 28323, 29372, 30240, 31470, 33568, 36715, 37764, 41960, 44058, 47205, 50352, 56646, 58744, 62940, 66087, 73430, 75528, 83920, 88116, 94410, 100704, 110145, 113292, 117488, 125880, 132174, 141615, 146860, 151056, 167840, 176232, 188820, 198261, 220290, 226584, 234976, 251760, 264348, 283230, 293720, 302112, 330435, 352464, 377640, 396522, 440580, 453168, 503520, 528696, 566460, 587440, 660870, 704928, 755280, 793044, 881160, 906336, 991305, 1057392, 1132920, 1174880, 1321740, 1510560, 1586088, 1762320, 1982610, 2114784, 2265840, 2643480, 3172176, 3524640, 3965220, 4531680, 5286960, 6344352, 7930440, 10573920, 15860880, 31721760]

約数ペア:

[(1, 31721760), (2, 15860880), (3, 10573920), (4, 7930440), (5, 6344352), (6, 5286960), (7, 4531680), (8, 3965220), (9, 3524640), (10, 3172176), (12, 2643480), (14, 2265840), (15, 2114784), (16, 1982610), (18, 1762320), (20, 1586088), (21, 1510560), (24, 1321740), (27, 1174880), (28, 1132920), (30, 1057392), (32, 991305), (35, 906336), (36, 881160), (40, 793044), (42, 755280), (45, 704928), (48, 660870), (54, 587440), (56, 566460), (60, 528696), (63, 503520), (70, 453168), (72, 440580), (80, 396522), (84, 377640), (90, 352464), (96, 330435), (105, 302112), (108, 293720), (112, 283230), (120, 264348), (126, 251760), (135, 234976), (140, 226584), (144, 220290), (160, 198261), (168, 188820), (180, 176232), (189, 167840), (210, 151056), (216, 146860), (224, 141615), (240, 132174), (252, 125880), (270, 117488), (280, 113292), (288, 110145), (315, 100704), (336, 94410), (360, 88116), (378, 83920), (420, 75528), (432, 73430), (480, 66087), (504, 62940), (540, 58744), (560, 56646), (630, 50352), (672, 47205), (720, 44058), (756, 41960), (840, 37764), (864, 36715), (945, 33568), (1008, 31470), (1049, 30240), (1080, 29372), (1120, 28323), (1260, 25176), (1440, 22029), (1512, 20980), (1680, 18882), (1890, 16784), (2016, 15735), (2098, 15120), (2160, 14686), (2520, 12588), (3024, 10490), (3147, 10080), (3360, 9441), (3780, 8392), (4196, 7560), (4320, 7343), (5040, 6294), (5245, 6048)]