15498880

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 37754280

約数和(自身を除く): 22255400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 397, 488, 610, 640, 794, 976, 1220, 1588, 1952, 1985, 2440, 3176, 3904, 3970, 4880, 6352, 7808, 7940, 9760, 12704, 15880, 19520, 24217, 25408, 31760, 39040, 48434, 50816, 63520, 96868, 121085, 127040, 193736, 242170, 254080, 387472, 484340, 774944, 968680, 1549888, 1937360, 3099776, 3874720, 7749440, 15498880]

約数ペア:

[(1, 15498880), (2, 7749440), (4, 3874720), (5, 3099776), (8, 1937360), (10, 1549888), (16, 968680), (20, 774944), (32, 484340), (40, 387472), (61, 254080), (64, 242170), (80, 193736), (122, 127040), (128, 121085), (160, 96868), (244, 63520), (305, 50816), (320, 48434), (397, 39040), (488, 31760), (610, 25408), (640, 24217), (794, 19520), (976, 15880), (1220, 12704), (1588, 9760), (1952, 7940), (1985, 7808), (2440, 6352), (3176, 4880), (3904, 3970)]