261473040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{363157}}^1$

素因数の和:363176

約数の個数: 60

約数和(自身を含む): 878116044

約数和(自身を除く): 616643004

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 363157, 726314, 1089471, 1452628, 1815785, 2178942, 2905256, 3268413, 3631570, 4357884, 5447355, 5810512, 6536826, 7263140, 8715768, 10894710, 13073652, 14526280, 16342065, 17431536, 21789420, 26147304, 29052560, 32684130, 43578840, 52294608, 65368260, 87157680, 130736520, 261473040]

約数ペア:

[(1, 261473040), (2, 130736520), (3, 87157680), (4, 65368260), (5, 52294608), (6, 43578840), (8, 32684130), (9, 29052560), (10, 26147304), (12, 21789420), (15, 17431536), (16, 16342065), (18, 14526280), (20, 13073652), (24, 10894710), (30, 8715768), (36, 7263140), (40, 6536826), (45, 5810512), (48, 5447355), (60, 4357884), (72, 3631570), (80, 3268413), (90, 2905256), (120, 2178942), (144, 1815785), (180, 1452628), (240, 1089471), (360, 726314), (720, 363157)]