720479280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19121}}^1$

素因数の和:19294

約数の個数: 80

約数和(自身を含む): 2247829344

約数和(自身を除く): 1527350064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 2512, 3140, 3768, 4710, 6280, 7536, 9420, 12560, 18840, 19121, 37680, 38242, 57363, 76484, 95605, 114726, 152968, 191210, 229452, 286815, 305936, 382420, 458904, 573630, 764840, 917808, 1147260, 1529680, 2294520, 3001997, 4589040, 6003994, 9005991, 12007988, 15009985, 18011982, 24015976, 30019970, 36023964, 45029955, 48031952, 60039940, 72047928, 90059910, 120079880, 144095856, 180119820, 240159760, 360239640, 720479280]

約数ペア:

[(1, 720479280), (2, 360239640), (3, 240159760), (4, 180119820), (5, 144095856), (6, 120079880), (8, 90059910), (10, 72047928), (12, 60039940), (15, 48031952), (16, 45029955), (20, 36023964), (24, 30019970), (30, 24015976), (40, 18011982), (48, 15009985), (60, 12007988), (80, 9005991), (120, 6003994), (157, 4589040), (240, 3001997), (314, 2294520), (471, 1529680), (628, 1147260), (785, 917808), (942, 764840), (1256, 573630), (1570, 458904), (1884, 382420), (2355, 305936), (2512, 286815), (3140, 229452), (3768, 191210), (4710, 152968), (6280, 114726), (7536, 95605), (9420, 76484), (12560, 57363), (18840, 38242), (19121, 37680)]