218420640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{151681}}^1$

素因数の和:151702

約数の個数: 72

約数和(自身を含む): 745365348

約数和(自身を除く): 526944708

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, 151681, 303362, 455043, 606724, 758405, 910086, 1213448, 1365129, 1516810, 1820172, 2275215, 2426896, 2730258, 3033620, 3640344, 4550430, 4853792, 5460516, 6067240, 6825645, 7280688, 9100860, 10921032, 12134480, 13651290, 14561376, 18201720, 21842064, 24268960, 27302580, 36403440, 43684128, 54605160, 72806880, 109210320, 218420640]

約数ペア:

[(1, 218420640), (2, 109210320), (3, 72806880), (4, 54605160), (5, 43684128), (6, 36403440), (8, 27302580), (9, 24268960), (10, 21842064), (12, 18201720), (15, 14561376), (16, 13651290), (18, 12134480), (20, 10921032), (24, 9100860), (30, 7280688), (32, 6825645), (36, 6067240), (40, 5460516), (45, 4853792), (48, 4550430), (60, 3640344), (72, 3033620), (80, 2730258), (90, 2426896), (96, 2275215), (120, 1820172), (144, 1516810), (160, 1365129), (180, 1213448), (240, 910086), (288, 758405), (360, 606724), (480, 455043), (720, 303362), (1440, 151681)]