7428840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2042

約数の個数: 64

約数和(自身を含む): 23016960

約数和(自身を除く): 15588120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 1997, 3720, 3994, 5991, 7988, 9985, 11982, 15976, 19970, 23964, 29955, 39940, 47928, 59910, 61907, 79880, 119820, 123814, 185721, 239640, 247628, 309535, 371442, 495256, 619070, 742884, 928605, 1238140, 1485768, 1857210, 2476280, 3714420, 7428840]

約数ペア:

[(1, 7428840), (2, 3714420), (3, 2476280), (4, 1857210), (5, 1485768), (6, 1238140), (8, 928605), (10, 742884), (12, 619070), (15, 495256), (20, 371442), (24, 309535), (30, 247628), (31, 239640), (40, 185721), (60, 123814), (62, 119820), (93, 79880), (120, 61907), (124, 59910), (155, 47928), (186, 39940), (248, 29955), (310, 23964), (372, 19970), (465, 15976), (620, 11982), (744, 9985), (930, 7988), (1240, 5991), (1860, 3994), (1997, 3720)]