15370420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 35900928

約数和(自身を除く): 20530508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 1907, 2015, 3814, 4030, 7628, 8060, 9535, 19070, 24791, 38140, 49582, 59117, 99164, 118234, 123955, 236468, 247910, 295585, 495820, 591170, 768521, 1182340, 1537042, 3074084, 3842605, 7685210, 15370420]

約数ペア:

[(1, 15370420), (2, 7685210), (4, 3842605), (5, 3074084), (10, 1537042), (13, 1182340), (20, 768521), (26, 591170), (31, 495820), (52, 295585), (62, 247910), (65, 236468), (124, 123955), (130, 118234), (155, 99164), (260, 59117), (310, 49582), (403, 38140), (620, 24791), (806, 19070), (1612, 9535), (1907, 8060), (2015, 7628), (3814, 4030)]