209178240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{108947}}^1$

素因数の和:108969

約数の個数: 64

約数和(自身を含む): 666761760

約数和(自身を除く): 457583520

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, 108947, 217894, 326841, 435788, 544735, 653682, 871576, 1089470, 1307364, 1634205, 1743152, 2178940, 2614728, 3268410, 3486304, 4357880, 5229456, 6536820, 6972608, 8715760, 10458912, 13073640, 13945216, 17431520, 20917824, 26147280, 34863040, 41835648, 52294560, 69726080, 104589120, 209178240]

約数ペア:

[(1, 209178240), (2, 104589120), (3, 69726080), (4, 52294560), (5, 41835648), (6, 34863040), (8, 26147280), (10, 20917824), (12, 17431520), (15, 13945216), (16, 13073640), (20, 10458912), (24, 8715760), (30, 6972608), (32, 6536820), (40, 5229456), (48, 4357880), (60, 3486304), (64, 3268410), (80, 2614728), (96, 2178940), (120, 1743152), (128, 1634205), (160, 1307364), (192, 1089470), (240, 871576), (320, 653682), (384, 544735), (480, 435788), (640, 326841), (960, 217894), (1920, 108947)]