64871200

素因数分解:

$2^5\times 5^2\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:770

約数の個数: 72

約数和(自身を含む): 159833520

約数和(自身を除く): 94962320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 131, 160, 200, 262, 400, 524, 619, 655, 800, 1048, 1238, 1310, 2096, 2476, 2620, 3095, 3275, 4192, 4952, 5240, 6190, 6550, 9904, 10480, 12380, 13100, 15475, 19808, 20960, 24760, 26200, 30950, 49520, 52400, 61900, 81089, 99040, 104800, 123800, 162178, 247600, 324356, 405445, 495200, 648712, 810890, 1297424, 1621780, 2027225, 2594848, 3243560, 4054450, 6487120, 8108900, 12974240, 16217800, 32435600, 64871200]

約数ペア:

[(1, 64871200), (2, 32435600), (4, 16217800), (5, 12974240), (8, 8108900), (10, 6487120), (16, 4054450), (20, 3243560), (25, 2594848), (32, 2027225), (40, 1621780), (50, 1297424), (80, 810890), (100, 648712), (131, 495200), (160, 405445), (200, 324356), (262, 247600), (400, 162178), (524, 123800), (619, 104800), (655, 99040), (800, 81089), (1048, 61900), (1238, 52400), (1310, 49520), (2096, 30950), (2476, 26200), (2620, 24760), (3095, 20960), (3275, 19808), (4192, 15475), (4952, 13100), (5240, 12380), (6190, 10480), (6550, 9904)]