15557440

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:875

約数の個数: 56

約数和(自身を含む): 37700712

約数和(自身を除く): 22143272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 797, 976, 1220, 1594, 1952, 2440, 3188, 3904, 3985, 4880, 6376, 7970, 9760, 12752, 15940, 19520, 25504, 31880, 48617, 51008, 63760, 97234, 127520, 194468, 243085, 255040, 388936, 486170, 777872, 972340, 1555744, 1944680, 3111488, 3889360, 7778720, 15557440]

約数ペア:

[(1, 15557440), (2, 7778720), (4, 3889360), (5, 3111488), (8, 1944680), (10, 1555744), (16, 972340), (20, 777872), (32, 486170), (40, 388936), (61, 255040), (64, 243085), (80, 194468), (122, 127520), (160, 97234), (244, 63760), (305, 51008), (320, 48617), (488, 31880), (610, 25504), (797, 19520), (976, 15940), (1220, 12752), (1594, 9760), (1952, 7970), (2440, 6376), (3188, 4880), (3904, 3985)]