263315280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1097147}}^1$

素因数の和:1097163

約数の個数: 40

約数和(自身を含む): 816278112

約数和(自身を除く): 552962832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1097147, 2194294, 3291441, 4388588, 5485735, 6582882, 8777176, 10971470, 13165764, 16457205, 17554352, 21942940, 26331528, 32914410, 43885880, 52663056, 65828820, 87771760, 131657640, 263315280]

約数ペア:

[(1, 263315280), (2, 131657640), (3, 87771760), (4, 65828820), (5, 52663056), (6, 43885880), (8, 32914410), (10, 26331528), (12, 21942940), (15, 17554352), (16, 16457205), (20, 13165764), (24, 10971470), (30, 8777176), (40, 6582882), (48, 5485735), (60, 4388588), (80, 3291441), (120, 2194294), (240, 1097147)]