2558340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 7921368

約数和(自身を除く): 5363028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 233, 244, 305, 366, 466, 549, 610, 699, 732, 915, 932, 1098, 1165, 1220, 1398, 1830, 2097, 2196, 2330, 2745, 2796, 3495, 3660, 4194, 4660, 5490, 6990, 8388, 10485, 10980, 13980, 14213, 20970, 28426, 41940, 42639, 56852, 71065, 85278, 127917, 142130, 170556, 213195, 255834, 284260, 426390, 511668, 639585, 852780, 1279170, 2558340]

約数ペア:

[(1, 2558340), (2, 1279170), (3, 852780), (4, 639585), (5, 511668), (6, 426390), (9, 284260), (10, 255834), (12, 213195), (15, 170556), (18, 142130), (20, 127917), (30, 85278), (36, 71065), (45, 56852), (60, 42639), (61, 41940), (90, 28426), (122, 20970), (180, 14213), (183, 13980), (233, 10980), (244, 10485), (305, 8388), (366, 6990), (466, 5490), (549, 4660), (610, 4194), (699, 3660), (732, 3495), (915, 2796), (932, 2745), (1098, 2330), (1165, 2196), (1220, 2097), (1398, 1830)]