65408940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8863}}^1$

素因数の和:8919

約数の個数: 72

約数和(自身を含む): 203269248

約数和(自身を除く): 137860308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 8863, 17726, 26589, 35452, 44315, 53178, 79767, 88630, 106356, 132945, 159534, 177260, 265890, 319068, 363383, 398835, 531780, 726766, 797670, 1090149, 1453532, 1595340, 1816915, 2180298, 3270447, 3633830, 4360596, 5450745, 6540894, 7267660, 10901490, 13081788, 16352235, 21802980, 32704470, 65408940]

約数ペア:

[(1, 65408940), (2, 32704470), (3, 21802980), (4, 16352235), (5, 13081788), (6, 10901490), (9, 7267660), (10, 6540894), (12, 5450745), (15, 4360596), (18, 3633830), (20, 3270447), (30, 2180298), (36, 1816915), (41, 1595340), (45, 1453532), (60, 1090149), (82, 797670), (90, 726766), (123, 531780), (164, 398835), (180, 363383), (205, 319068), (246, 265890), (369, 177260), (410, 159534), (492, 132945), (615, 106356), (738, 88630), (820, 79767), (1230, 53178), (1476, 44315), (1845, 35452), (2460, 26589), (3690, 17726), (7380, 8863)]