13905320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 39429180

約数和(自身を除く): 25523860

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 121, 130, 136, 143, 169, 170, 187, 220, 221, 242, 260, 286, 338, 340, 374, 440, 442, 484, 520, 572, 605, 676, 680, 715, 748, 845, 884, 935, 968, 1105, 1144, 1210, 1352, 1430, 1496, 1573, 1690, 1768, 1859, 1870, 2057, 2210, 2420, 2431, 2860, 2873, 3146, 3380, 3718, 3740, 4114, 4420, 4840, 4862, 5720, 5746, 6292, 6760, 7436, 7480, 7865, 8228, 8840, 9295, 9724, 10285, 11492, 12155, 12584, 14365, 14872, 15730, 16456, 18590, 19448, 20449, 20570, 22984, 24310, 26741, 28730, 31460, 31603, 37180, 40898, 41140, 48620, 53482, 57460, 62920, 63206, 74360, 81796, 82280, 97240, 102245, 106964, 114920, 126412, 133705, 158015, 163592, 204490, 213928, 252824, 267410, 316030, 347633, 408980, 534820, 632060, 695266, 817960, 1069640, 1264120, 1390532, 1738165, 2781064, 3476330, 6952660, 13905320]

約数ペア:

[(1, 13905320), (2, 6952660), (4, 3476330), (5, 2781064), (8, 1738165), (10, 1390532), (11, 1264120), (13, 1069640), (17, 817960), (20, 695266), (22, 632060), (26, 534820), (34, 408980), (40, 347633), (44, 316030), (52, 267410), (55, 252824), (65, 213928), (68, 204490), (85, 163592), (88, 158015), (104, 133705), (110, 126412), (121, 114920), (130, 106964), (136, 102245), (143, 97240), (169, 82280), (170, 81796), (187, 74360), (220, 63206), (221, 62920), (242, 57460), (260, 53482), (286, 48620), (338, 41140), (340, 40898), (374, 37180), (440, 31603), (442, 31460), (484, 28730), (520, 26741), (572, 24310), (605, 22984), (676, 20570), (680, 20449), (715, 19448), (748, 18590), (845, 16456), (884, 15730), (935, 14872), (968, 14365), (1105, 12584), (1144, 12155), (1210, 11492), (1352, 10285), (1430, 9724), (1496, 9295), (1573, 8840), (1690, 8228), (1768, 7865), (1859, 7480), (1870, 7436), (2057, 6760), (2210, 6292), (2420, 5746), (2431, 5720), (2860, 4862), (2873, 4840), (3146, 4420), (3380, 4114), (3718, 3740)]