128772990

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 350269920

約数和(自身を除く): 221496930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 197, 243, 269, 270, 394, 405, 486, 538, 591, 807, 810, 985, 1182, 1215, 1345, 1614, 1773, 1970, 2421, 2430, 2690, 2955, 3546, 4035, 4842, 5319, 5910, 7263, 8070, 8865, 10638, 12105, 14526, 15957, 17730, 21789, 24210, 26595, 31914, 36315, 43578, 47871, 52993, 53190, 65367, 72630, 79785, 95742, 105986, 108945, 130734, 158979, 159570, 217890, 239355, 264965, 317958, 326835, 476937, 478710, 529930, 653670, 794895, 953874, 1430811, 1589790, 2384685, 2861622, 4292433, 4769370, 7154055, 8584866, 12877299, 14308110, 21462165, 25754598, 42924330, 64386495, 128772990]

約数ペア:

[(1, 128772990), (2, 64386495), (3, 42924330), (5, 25754598), (6, 21462165), (9, 14308110), (10, 12877299), (15, 8584866), (18, 7154055), (27, 4769370), (30, 4292433), (45, 2861622), (54, 2384685), (81, 1589790), (90, 1430811), (135, 953874), (162, 794895), (197, 653670), (243, 529930), (269, 478710), (270, 476937), (394, 326835), (405, 317958), (486, 264965), (538, 239355), (591, 217890), (807, 159570), (810, 158979), (985, 130734), (1182, 108945), (1215, 105986), (1345, 95742), (1614, 79785), (1773, 72630), (1970, 65367), (2421, 53190), (2430, 52993), (2690, 47871), (2955, 43578), (3546, 36315), (4035, 31914), (4842, 26595), (5319, 24210), (5910, 21789), (7263, 17730), (8070, 15957), (8865, 14526), (10638, 12105)]