30406040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 81505440

約数和(自身を除く): 51099400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 113, 124, 140, 155, 217, 226, 248, 280, 310, 434, 452, 565, 620, 791, 868, 904, 961, 1085, 1130, 1240, 1582, 1736, 1922, 2170, 2260, 3164, 3503, 3844, 3955, 4340, 4520, 4805, 6328, 6727, 7006, 7688, 7910, 8680, 9610, 13454, 14012, 15820, 17515, 19220, 24521, 26908, 28024, 31640, 33635, 35030, 38440, 49042, 53816, 67270, 70060, 98084, 108593, 122605, 134540, 140120, 196168, 217186, 245210, 269080, 434372, 490420, 542965, 760151, 868744, 980840, 1085930, 1520302, 2171860, 3040604, 3800755, 4343720, 6081208, 7601510, 15203020, 30406040]

約数ペア:

[(1, 30406040), (2, 15203020), (4, 7601510), (5, 6081208), (7, 4343720), (8, 3800755), (10, 3040604), (14, 2171860), (20, 1520302), (28, 1085930), (31, 980840), (35, 868744), (40, 760151), (56, 542965), (62, 490420), (70, 434372), (113, 269080), (124, 245210), (140, 217186), (155, 196168), (217, 140120), (226, 134540), (248, 122605), (280, 108593), (310, 98084), (434, 70060), (452, 67270), (565, 53816), (620, 49042), (791, 38440), (868, 35030), (904, 33635), (961, 31640), (1085, 28024), (1130, 26908), (1240, 24521), (1582, 19220), (1736, 17515), (1922, 15820), (2170, 14012), (2260, 13454), (3164, 9610), (3503, 8680), (3844, 7910), (3955, 7688), (4340, 7006), (4520, 6727), (4805, 6328)]