685571480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 1728691200

約数和(自身を除く): 1043119720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 121, 158, 163, 220, 242, 316, 326, 395, 440, 484, 605, 632, 652, 790, 815, 869, 968, 1210, 1304, 1331, 1580, 1630, 1738, 1793, 2420, 2662, 3160, 3260, 3476, 3586, 4345, 4840, 5324, 6520, 6655, 6952, 7172, 8690, 8965, 9559, 10648, 12877, 13310, 14344, 17380, 17930, 19118, 19723, 25754, 26620, 34760, 35860, 38236, 39446, 47795, 51508, 53240, 64385, 71720, 76472, 78892, 95590, 98615, 103016, 105149, 128770, 141647, 157784, 191180, 197230, 210298, 216953, 257540, 283294, 382360, 394460, 420596, 433906, 515080, 525745, 566588, 708235, 788920, 841192, 867812, 1051490, 1084765, 1133176, 1416470, 1558117, 1735624, 2102980, 2169530, 2832940, 3116234, 4205960, 4339060, 5665880, 6232468, 7790585, 8678120, 12464936, 15581170, 17139287, 31162340, 34278574, 62324680, 68557148, 85696435, 137114296, 171392870, 342785740, 685571480]

約数ペア:

[(1, 685571480), (2, 342785740), (4, 171392870), (5, 137114296), (8, 85696435), (10, 68557148), (11, 62324680), (20, 34278574), (22, 31162340), (40, 17139287), (44, 15581170), (55, 12464936), (79, 8678120), (88, 7790585), (110, 6232468), (121, 5665880), (158, 4339060), (163, 4205960), (220, 3116234), (242, 2832940), (316, 2169530), (326, 2102980), (395, 1735624), (440, 1558117), (484, 1416470), (605, 1133176), (632, 1084765), (652, 1051490), (790, 867812), (815, 841192), (869, 788920), (968, 708235), (1210, 566588), (1304, 525745), (1331, 515080), (1580, 433906), (1630, 420596), (1738, 394460), (1793, 382360), (2420, 283294), (2662, 257540), (3160, 216953), (3260, 210298), (3476, 197230), (3586, 191180), (4345, 157784), (4840, 141647), (5324, 128770), (6520, 105149), (6655, 103016), (6952, 98615), (7172, 95590), (8690, 78892), (8965, 76472), (9559, 71720), (10648, 64385), (12877, 53240), (13310, 51508), (14344, 47795), (17380, 39446), (17930, 38236), (19118, 35860), (19723, 34760), (25754, 26620)]