215670720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7247}}^1$

素因数の和:7298

約数の個数: 112

約数和(自身を含む): 706940928

約数和(自身を除く): 491270208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7247, 7440, 9920, 14494, 14880, 21741, 28988, 29760, 36235, 43482, 57976, 72470, 86964, 108705, 115952, 144940, 173928, 217410, 224657, 231904, 289880, 347856, 434820, 449314, 463808, 579760, 673971, 695712, 869640, 898628, 1123285, 1159520, 1347942, 1391424, 1739280, 1797256, 2246570, 2319040, 2695884, 3369855, 3478560, 3594512, 4493140, 5391768, 6739710, 6957120, 7189024, 8986280, 10783536, 13479420, 14378048, 17972560, 21567072, 26958840, 35945120, 43134144, 53917680, 71890240, 107835360, 215670720]

約数ペア:

[(1, 215670720), (2, 107835360), (3, 71890240), (4, 53917680), (5, 43134144), (6, 35945120), (8, 26958840), (10, 21567072), (12, 17972560), (15, 14378048), (16, 13479420), (20, 10783536), (24, 8986280), (30, 7189024), (31, 6957120), (32, 6739710), (40, 5391768), (48, 4493140), (60, 3594512), (62, 3478560), (64, 3369855), (80, 2695884), (93, 2319040), (96, 2246570), (120, 1797256), (124, 1739280), (155, 1391424), (160, 1347942), (186, 1159520), (192, 1123285), (240, 898628), (248, 869640), (310, 695712), (320, 673971), (372, 579760), (465, 463808), (480, 449314), (496, 434820), (620, 347856), (744, 289880), (930, 231904), (960, 224657), (992, 217410), (1240, 173928), (1488, 144940), (1860, 115952), (1984, 108705), (2480, 86964), (2976, 72470), (3720, 57976), (4960, 43482), (5952, 36235), (7247, 29760), (7440, 28988), (9920, 21741), (14494, 14880)]