72721818

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 182446992

約数和(自身を除く): 109725174

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 101, 102, 117, 153, 181, 202, 221, 234, 303, 306, 362, 442, 543, 606, 663, 909, 1086, 1313, 1326, 1629, 1717, 1818, 1989, 2353, 2626, 3077, 3258, 3434, 3939, 3978, 4706, 5151, 6154, 7059, 7878, 9231, 10302, 11817, 14118, 15453, 18281, 18462, 21177, 22321, 23634, 27693, 30906, 36562, 40001, 42354, 44642, 54843, 55386, 66963, 80002, 109686, 120003, 133926, 164529, 200889, 237653, 240006, 310777, 329058, 360009, 401778, 475306, 621554, 712959, 720018, 932331, 1425918, 1864662, 2138877, 2796993, 4040101, 4277754, 5593986, 8080202, 12120303, 24240606, 36360909, 72721818]

約数ペア:

[(1, 72721818), (2, 36360909), (3, 24240606), (6, 12120303), (9, 8080202), (13, 5593986), (17, 4277754), (18, 4040101), (26, 2796993), (34, 2138877), (39, 1864662), (51, 1425918), (78, 932331), (101, 720018), (102, 712959), (117, 621554), (153, 475306), (181, 401778), (202, 360009), (221, 329058), (234, 310777), (303, 240006), (306, 237653), (362, 200889), (442, 164529), (543, 133926), (606, 120003), (663, 109686), (909, 80002), (1086, 66963), (1313, 55386), (1326, 54843), (1629, 44642), (1717, 42354), (1818, 40001), (1989, 36562), (2353, 30906), (2626, 27693), (3077, 23634), (3258, 22321), (3434, 21177), (3939, 18462), (3978, 18281), (4706, 15453), (5151, 14118), (6154, 11817), (7059, 10302), (7878, 9231)]