251238720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{261707}}^1$

素因数の和:261727

約数の個数: 56

約数和(自身を含む): 797685984

約数和(自身を除く): 546447264

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, 160, 192, 240, 320, 480, 960, 261707, 523414, 785121, 1046828, 1308535, 1570242, 2093656, 2617070, 3140484, 3925605, 4187312, 5234140, 6280968, 7851210, 8374624, 10468280, 12561936, 15702420, 16749248, 20936560, 25123872, 31404840, 41873120, 50247744, 62809680, 83746240, 125619360, 251238720]

約数ペア:

[(1, 251238720), (2, 125619360), (3, 83746240), (4, 62809680), (5, 50247744), (6, 41873120), (8, 31404840), (10, 25123872), (12, 20936560), (15, 16749248), (16, 15702420), (20, 12561936), (24, 10468280), (30, 8374624), (32, 7851210), (40, 6280968), (48, 5234140), (60, 4187312), (64, 3925605), (80, 3140484), (96, 2617070), (120, 2093656), (160, 1570242), (192, 1308535), (240, 1046828), (320, 785121), (480, 523414), (960, 261707)]