77771560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3301}}^1$

素因数の和:3362

約数の個数: 64

約数和(自身を含む): 190195200

約数和(自身を除く): 112423640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 3301, 4712, 5890, 6602, 11780, 13204, 16505, 23560, 26408, 33010, 62719, 66020, 102331, 125438, 132040, 204662, 250876, 313595, 409324, 501752, 511655, 627190, 818648, 1023310, 1254380, 1944289, 2046620, 2508760, 3888578, 4093240, 7777156, 9721445, 15554312, 19442890, 38885780, 77771560]

約数ペア:

[(1, 77771560), (2, 38885780), (4, 19442890), (5, 15554312), (8, 9721445), (10, 7777156), (19, 4093240), (20, 3888578), (31, 2508760), (38, 2046620), (40, 1944289), (62, 1254380), (76, 1023310), (95, 818648), (124, 627190), (152, 511655), (155, 501752), (190, 409324), (248, 313595), (310, 250876), (380, 204662), (589, 132040), (620, 125438), (760, 102331), (1178, 66020), (1240, 62719), (2356, 33010), (2945, 26408), (3301, 23560), (4712, 16505), (5890, 13204), (6602, 11780)]