266864720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1152

約数の個数: 80

約数和(自身を含む): 645025680

約数和(自身を除く): 378160960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 178, 185, 296, 356, 370, 445, 592, 712, 740, 890, 1013, 1424, 1480, 1780, 2026, 2960, 3293, 3560, 4052, 5065, 6586, 7120, 8104, 10130, 13172, 16208, 16465, 20260, 26344, 32930, 37481, 40520, 52688, 65860, 74962, 81040, 90157, 131720, 149924, 180314, 187405, 263440, 299848, 360628, 374810, 450785, 599696, 721256, 749620, 901570, 1442512, 1499240, 1803140, 2998480, 3335809, 3606280, 6671618, 7212560, 13343236, 16679045, 26686472, 33358090, 53372944, 66716180, 133432360, 266864720]

約数ペア:

[(1, 266864720), (2, 133432360), (4, 66716180), (5, 53372944), (8, 33358090), (10, 26686472), (16, 16679045), (20, 13343236), (37, 7212560), (40, 6671618), (74, 3606280), (80, 3335809), (89, 2998480), (148, 1803140), (178, 1499240), (185, 1442512), (296, 901570), (356, 749620), (370, 721256), (445, 599696), (592, 450785), (712, 374810), (740, 360628), (890, 299848), (1013, 263440), (1424, 187405), (1480, 180314), (1780, 149924), (2026, 131720), (2960, 90157), (3293, 81040), (3560, 74962), (4052, 65860), (5065, 52688), (6586, 40520), (7120, 37481), (8104, 32930), (10130, 26344), (13172, 20260), (16208, 16465)]