261477684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 748500480

約数和(自身を除く): 487022796

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 67, 78, 93, 117, 124, 134, 156, 186, 201, 234, 268, 269, 279, 372, 402, 403, 468, 538, 558, 603, 804, 806, 807, 871, 1076, 1116, 1206, 1209, 1612, 1614, 1742, 2077, 2412, 2418, 2421, 2613, 3228, 3484, 3497, 3627, 4154, 4836, 4842, 5226, 6231, 6994, 7254, 7839, 8308, 8339, 9684, 10452, 10491, 12462, 13988, 14508, 15678, 16678, 18023, 18693, 20982, 24924, 25017, 27001, 31356, 31473, 33356, 36046, 37386, 41964, 50034, 54002, 54069, 62946, 72092, 74772, 75051, 81003, 100068, 108004, 108138, 108407, 125892, 150102, 162006, 162207, 216276, 216814, 234299, 243009, 300204, 324012, 324414, 325221, 433628, 468598, 486018, 558713, 648828, 650442, 702897, 937196, 972036, 975663, 1117426, 1300884, 1405794, 1676139, 1951326, 2108691, 2234852, 2811588, 3352278, 3902652, 4217382, 5028417, 6704556, 7263269, 8434764, 10056834, 14526538, 20113668, 21789807, 29053076, 43579614, 65369421, 87159228, 130738842, 261477684]

約数ペア:

[(1, 261477684), (2, 130738842), (3, 87159228), (4, 65369421), (6, 43579614), (9, 29053076), (12, 21789807), (13, 20113668), (18, 14526538), (26, 10056834), (31, 8434764), (36, 7263269), (39, 6704556), (52, 5028417), (62, 4217382), (67, 3902652), (78, 3352278), (93, 2811588), (117, 2234852), (124, 2108691), (134, 1951326), (156, 1676139), (186, 1405794), (201, 1300884), (234, 1117426), (268, 975663), (269, 972036), (279, 937196), (372, 702897), (402, 650442), (403, 648828), (468, 558713), (538, 486018), (558, 468598), (603, 433628), (804, 325221), (806, 324414), (807, 324012), (871, 300204), (1076, 243009), (1116, 234299), (1206, 216814), (1209, 216276), (1612, 162207), (1614, 162006), (1742, 150102), (2077, 125892), (2412, 108407), (2418, 108138), (2421, 108004), (2613, 100068), (3228, 81003), (3484, 75051), (3497, 74772), (3627, 72092), (4154, 62946), (4836, 54069), (4842, 54002), (5226, 50034), (6231, 41964), (6994, 37386), (7254, 36046), (7839, 33356), (8308, 31473), (8339, 31356), (9684, 27001), (10452, 25017), (10491, 24924), (12462, 20982), (13988, 18693), (14508, 18023), (15678, 16678)]