81287064

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 247769280

約数和(自身を除く): 166482216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 47, 51, 54, 68, 72, 81, 94, 102, 108, 136, 141, 153, 157, 162, 188, 204, 216, 282, 306, 314, 324, 376, 408, 423, 459, 471, 564, 612, 628, 648, 799, 846, 918, 942, 1128, 1224, 1256, 1269, 1377, 1413, 1598, 1692, 1836, 1884, 2397, 2538, 2669, 2754, 2826, 3196, 3384, 3672, 3768, 3807, 4239, 4794, 5076, 5338, 5508, 5652, 6392, 7191, 7379, 7614, 8007, 8478, 9588, 10152, 10676, 11016, 11304, 12717, 14382, 14758, 15228, 16014, 16956, 19176, 21352, 21573, 22137, 24021, 25434, 28764, 29516, 30456, 32028, 33912, 43146, 44274, 48042, 50868, 57528, 59032, 64056, 64719, 66411, 72063, 86292, 88548, 96084, 101736, 125443, 129438, 132822, 144126, 172584, 177096, 192168, 199233, 216189, 250886, 258876, 265644, 288252, 376329, 398466, 432378, 501772, 517752, 531288, 576504, 597699, 752658, 796932, 864756, 1003544, 1128987, 1195398, 1505316, 1593864, 1729512, 2257974, 2390796, 3010632, 3386961, 4515948, 4781592, 6773922, 9031896, 10160883, 13547844, 20321766, 27095688, 40643532, 81287064]

約数ペア:

[(1, 81287064), (2, 40643532), (3, 27095688), (4, 20321766), (6, 13547844), (8, 10160883), (9, 9031896), (12, 6773922), (17, 4781592), (18, 4515948), (24, 3386961), (27, 3010632), (34, 2390796), (36, 2257974), (47, 1729512), (51, 1593864), (54, 1505316), (68, 1195398), (72, 1128987), (81, 1003544), (94, 864756), (102, 796932), (108, 752658), (136, 597699), (141, 576504), (153, 531288), (157, 517752), (162, 501772), (188, 432378), (204, 398466), (216, 376329), (282, 288252), (306, 265644), (314, 258876), (324, 250886), (376, 216189), (408, 199233), (423, 192168), (459, 177096), (471, 172584), (564, 144126), (612, 132822), (628, 129438), (648, 125443), (799, 101736), (846, 96084), (918, 88548), (942, 86292), (1128, 72063), (1224, 66411), (1256, 64719), (1269, 64056), (1377, 59032), (1413, 57528), (1598, 50868), (1692, 48042), (1836, 44274), (1884, 43146), (2397, 33912), (2538, 32028), (2669, 30456), (2754, 29516), (2826, 28764), (3196, 25434), (3384, 24021), (3672, 22137), (3768, 21573), (3807, 21352), (4239, 19176), (4794, 16956), (5076, 16014), (5338, 15228), (5508, 14758), (5652, 14382), (6392, 12717), (7191, 11304), (7379, 11016), (7614, 10676), (8007, 10152), (8478, 9588)]