15203020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 38035872

約数和(自身を除く): 22832852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 113, 124, 140, 155, 217, 226, 310, 434, 452, 565, 620, 791, 868, 961, 1085, 1130, 1582, 1922, 2170, 2260, 3164, 3503, 3844, 3955, 4340, 4805, 6727, 7006, 7910, 9610, 13454, 14012, 15820, 17515, 19220, 24521, 26908, 33635, 35030, 49042, 67270, 70060, 98084, 108593, 122605, 134540, 217186, 245210, 434372, 490420, 542965, 760151, 1085930, 1520302, 2171860, 3040604, 3800755, 7601510, 15203020]

約数ペア:

[(1, 15203020), (2, 7601510), (4, 3800755), (5, 3040604), (7, 2171860), (10, 1520302), (14, 1085930), (20, 760151), (28, 542965), (31, 490420), (35, 434372), (62, 245210), (70, 217186), (113, 134540), (124, 122605), (140, 108593), (155, 98084), (217, 70060), (226, 67270), (310, 49042), (434, 35030), (452, 33635), (565, 26908), (620, 24521), (791, 19220), (868, 17515), (961, 15820), (1085, 14012), (1130, 13454), (1582, 9610), (1922, 7910), (2170, 7006), (2260, 6727), (3164, 4805), (3503, 4340), (3844, 3955)]