772161640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{2423}}^1$

素因数の和:2722

約数の個数: 64

約数和(自身を含む): 1801128960

約数和(自身を除く): 1028967320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 257, 310, 514, 620, 1028, 1240, 1285, 2056, 2423, 2570, 4846, 5140, 7967, 9692, 10280, 12115, 15934, 19384, 24230, 31868, 39835, 48460, 63736, 75113, 79670, 96920, 150226, 159340, 300452, 318680, 375565, 600904, 622711, 751130, 1245422, 1502260, 2490844, 3004520, 3113555, 4981688, 6227110, 12454220, 19304041, 24908440, 38608082, 77216164, 96520205, 154432328, 193040410, 386080820, 772161640]

約数ペア:

[(1, 772161640), (2, 386080820), (4, 193040410), (5, 154432328), (8, 96520205), (10, 77216164), (20, 38608082), (31, 24908440), (40, 19304041), (62, 12454220), (124, 6227110), (155, 4981688), (248, 3113555), (257, 3004520), (310, 2490844), (514, 1502260), (620, 1245422), (1028, 751130), (1240, 622711), (1285, 600904), (2056, 375565), (2423, 318680), (2570, 300452), (4846, 159340), (5140, 150226), (7967, 96920), (9692, 79670), (10280, 75113), (12115, 63736), (15934, 48460), (19384, 39835), (24230, 31868)]