71540640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{49681}}^1$

素因数の和:49702

約数の個数: 72

約数和(自身を含む): 244137348

約数和(自身を除く): 172596708

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 49681, 99362, 149043, 198724, 248405, 298086, 397448, 447129, 496810, 596172, 745215, 794896, 894258, 993620, 1192344, 1490430, 1589792, 1788516, 1987240, 2235645, 2384688, 2980860, 3577032, 3974480, 4471290, 4769376, 5961720, 7154064, 7948960, 8942580, 11923440, 14308128, 17885160, 23846880, 35770320, 71540640]

約数ペア:

[(1, 71540640), (2, 35770320), (3, 23846880), (4, 17885160), (5, 14308128), (6, 11923440), (8, 8942580), (9, 7948960), (10, 7154064), (12, 5961720), (15, 4769376), (16, 4471290), (18, 3974480), (20, 3577032), (24, 2980860), (30, 2384688), (32, 2235645), (36, 1987240), (40, 1788516), (45, 1589792), (48, 1490430), (60, 1192344), (72, 993620), (80, 894258), (90, 794896), (96, 745215), (120, 596172), (144, 496810), (160, 447129), (180, 397448), (240, 298086), (288, 248405), (360, 198724), (480, 149043), (720, 99362), (1440, 49681)]