889989720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{359}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 2723673600

約数和(自身を除く): 1833683880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 283, 292, 359, 365, 438, 566, 584, 718, 730, 849, 876, 1077, 1095, 1132, 1415, 1436, 1460, 1698, 1752, 1795, 2154, 2190, 2264, 2830, 2872, 2920, 3396, 3590, 4245, 4308, 4380, 5385, 5660, 6792, 7180, 8490, 8616, 8760, 10770, 11320, 14360, 16980, 20659, 21540, 26207, 33960, 41318, 43080, 52414, 61977, 78621, 82636, 101597, 103295, 104828, 123954, 131035, 157242, 165272, 203194, 206590, 209656, 247908, 262070, 304791, 309885, 314484, 393105, 406388, 413180, 495816, 507985, 524140, 609582, 619770, 628968, 786210, 812776, 826360, 1015970, 1048280, 1219164, 1239540, 1523955, 1572420, 2031940, 2438328, 2479080, 3047910, 3144840, 4063880, 6095820, 7416581, 12191640, 14833162, 22249743, 29666324, 37082905, 44499486, 59332648, 74165810, 88998972, 111248715, 148331620, 177997944, 222497430, 296663240, 444994860, 889989720]

約数ペア:

[(1, 889989720), (2, 444994860), (3, 296663240), (4, 222497430), (5, 177997944), (6, 148331620), (8, 111248715), (10, 88998972), (12, 74165810), (15, 59332648), (20, 44499486), (24, 37082905), (30, 29666324), (40, 22249743), (60, 14833162), (73, 12191640), (120, 7416581), (146, 6095820), (219, 4063880), (283, 3144840), (292, 3047910), (359, 2479080), (365, 2438328), (438, 2031940), (566, 1572420), (584, 1523955), (718, 1239540), (730, 1219164), (849, 1048280), (876, 1015970), (1077, 826360), (1095, 812776), (1132, 786210), (1415, 628968), (1436, 619770), (1460, 609582), (1698, 524140), (1752, 507985), (1795, 495816), (2154, 413180), (2190, 406388), (2264, 393105), (2830, 314484), (2872, 309885), (2920, 304791), (3396, 262070), (3590, 247908), (4245, 209656), (4308, 206590), (4380, 203194), (5385, 165272), (5660, 157242), (6792, 131035), (7180, 123954), (8490, 104828), (8616, 103295), (8760, 101597), (10770, 82636), (11320, 78621), (14360, 61977), (16980, 52414), (20659, 43080), (21540, 41318), (26207, 33960)]