21798240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45413}}^1$

素因数の和:45431

約数の個数: 48

約数和(自身を含む): 68665968

約数和(自身を除く): 46867728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45413, 90826, 136239, 181652, 227065, 272478, 363304, 454130, 544956, 681195, 726608, 908260, 1089912, 1362390, 1453216, 1816520, 2179824, 2724780, 3633040, 4359648, 5449560, 7266080, 10899120, 21798240]

約数ペア:

[(1, 21798240), (2, 10899120), (3, 7266080), (4, 5449560), (5, 4359648), (6, 3633040), (8, 2724780), (10, 2179824), (12, 1816520), (15, 1453216), (16, 1362390), (20, 1089912), (24, 908260), (30, 726608), (32, 681195), (40, 544956), (48, 454130), (60, 363304), (80, 272478), (96, 227065), (120, 181652), (160, 136239), (240, 90826), (480, 45413)]