388991520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{270133}}^1$

素因数の和:270154

約数の個数: 72

約数和(自身を含む): 1327438476

約数和(自身を除く): 938446956

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 270133, 540266, 810399, 1080532, 1350665, 1620798, 2161064, 2431197, 2701330, 3241596, 4051995, 4322128, 4862394, 5402660, 6483192, 8103990, 8644256, 9724788, 10805320, 12155985, 12966384, 16207980, 19449576, 21610640, 24311970, 25932768, 32415960, 38899152, 43221280, 48623940, 64831920, 77798304, 97247880, 129663840, 194495760, 388991520]

約数ペア:

[(1, 388991520), (2, 194495760), (3, 129663840), (4, 97247880), (5, 77798304), (6, 64831920), (8, 48623940), (9, 43221280), (10, 38899152), (12, 32415960), (15, 25932768), (16, 24311970), (18, 21610640), (20, 19449576), (24, 16207980), (30, 12966384), (32, 12155985), (36, 10805320), (40, 9724788), (45, 8644256), (48, 8103990), (60, 6483192), (72, 5402660), (80, 4862394), (90, 4322128), (96, 4051995), (120, 3241596), (144, 2701330), (160, 2431197), (180, 2161064), (240, 1620798), (288, 1350665), (360, 1080532), (480, 810399), (720, 540266), (1440, 270133)]