221435520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{115331}}^1$

素因数の和:115353

約数の個数: 64

約数和(自身を含む): 705831840

約数和(自身を除く): 484396320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 115331, 230662, 345993, 461324, 576655, 691986, 922648, 1153310, 1383972, 1729965, 1845296, 2306620, 2767944, 3459930, 3690592, 4613240, 5535888, 6919860, 7381184, 9226480, 11071776, 13839720, 14762368, 18452960, 22143552, 27679440, 36905920, 44287104, 55358880, 73811840, 110717760, 221435520]

約数ペア:

[(1, 221435520), (2, 110717760), (3, 73811840), (4, 55358880), (5, 44287104), (6, 36905920), (8, 27679440), (10, 22143552), (12, 18452960), (15, 14762368), (16, 13839720), (20, 11071776), (24, 9226480), (30, 7381184), (32, 6919860), (40, 5535888), (48, 4613240), (60, 3690592), (64, 3459930), (80, 2767944), (96, 2306620), (120, 1845296), (128, 1729965), (160, 1383972), (192, 1153310), (240, 922648), (320, 691986), (384, 576655), (480, 461324), (640, 345993), (960, 230662), (1920, 115331)]