81233040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48353}}^1$

素因数の和:48376

約数の個数: 80

約数和(自身を含む): 287803008

約数和(自身を除く): 206569968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48353, 96706, 145059, 193412, 241765, 290118, 338471, 386824, 483530, 580236, 676942, 725295, 773648, 967060, 1015413, 1160472, 1353884, 1450590, 1692355, 1934120, 2030826, 2320944, 2707768, 2901180, 3384710, 3868240, 4061652, 5077065, 5415536, 5802360, 6769420, 8123304, 10154130, 11604720, 13538840, 16246608, 20308260, 27077680, 40616520, 81233040]

約数ペア:

[(1, 81233040), (2, 40616520), (3, 27077680), (4, 20308260), (5, 16246608), (6, 13538840), (7, 11604720), (8, 10154130), (10, 8123304), (12, 6769420), (14, 5802360), (15, 5415536), (16, 5077065), (20, 4061652), (21, 3868240), (24, 3384710), (28, 2901180), (30, 2707768), (35, 2320944), (40, 2030826), (42, 1934120), (48, 1692355), (56, 1450590), (60, 1353884), (70, 1160472), (80, 1015413), (84, 967060), (105, 773648), (112, 725295), (120, 676942), (140, 580236), (168, 483530), (210, 386824), (240, 338471), (280, 290118), (336, 241765), (420, 193412), (560, 145059), (840, 96706), (1680, 48353)]