261538320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35153}}^1$

素因数の和:35200

約数の個数: 80

約数和(自身を含む): 836946432

約数和(自身を除く): 575408112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 35153, 70306, 105459, 140612, 175765, 210918, 281224, 351530, 421836, 527295, 562448, 703060, 843672, 1054590, 1089743, 1406120, 1687344, 2109180, 2179486, 2812240, 3269229, 4218360, 4358972, 5448715, 6538458, 8436720, 8717944, 10897430, 13076916, 16346145, 17435888, 21794860, 26153832, 32692290, 43589720, 52307664, 65384580, 87179440, 130769160, 261538320]

約数ペア:

[(1, 261538320), (2, 130769160), (3, 87179440), (4, 65384580), (5, 52307664), (6, 43589720), (8, 32692290), (10, 26153832), (12, 21794860), (15, 17435888), (16, 16346145), (20, 13076916), (24, 10897430), (30, 8717944), (31, 8436720), (40, 6538458), (48, 5448715), (60, 4358972), (62, 4218360), (80, 3269229), (93, 2812240), (120, 2179486), (124, 2109180), (155, 1687344), (186, 1406120), (240, 1089743), (248, 1054590), (310, 843672), (372, 703060), (465, 562448), (496, 527295), (620, 421836), (744, 351530), (930, 281224), (1240, 210918), (1488, 175765), (1860, 140612), (2480, 105459), (3720, 70306), (7440, 35153)]