68336520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81353}}^1$

素因数の和:81374

約数の個数: 64

約数和(自身を含む): 234299520

約数和(自身を除く): 165963000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81353, 162706, 244059, 325412, 406765, 488118, 569471, 650824, 813530, 976236, 1138942, 1220295, 1627060, 1708413, 1952472, 2277884, 2440590, 2847355, 3254120, 3416826, 4555768, 4881180, 5694710, 6833652, 8542065, 9762360, 11389420, 13667304, 17084130, 22778840, 34168260, 68336520]

約数ペア:

[(1, 68336520), (2, 34168260), (3, 22778840), (4, 17084130), (5, 13667304), (6, 11389420), (7, 9762360), (8, 8542065), (10, 6833652), (12, 5694710), (14, 4881180), (15, 4555768), (20, 3416826), (21, 3254120), (24, 2847355), (28, 2440590), (30, 2277884), (35, 1952472), (40, 1708413), (42, 1627060), (56, 1220295), (60, 1138942), (70, 976236), (84, 813530), (105, 650824), (120, 569471), (140, 488118), (168, 406765), (210, 325412), (280, 244059), (420, 162706), (840, 81353)]