661200720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{162059}}^1$

素因数の和:162092

約数の個数: 80

約数和(自身を含む): 2170307520

約数和(自身を除く): 1509106800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 162059, 324118, 486177, 648236, 810295, 972354, 1296472, 1620590, 1944708, 2430885, 2592944, 2755003, 3241180, 3889416, 4861770, 5510006, 6482360, 7778832, 8265009, 9723540, 11020012, 12964720, 13775015, 16530018, 19447080, 22040024, 27550030, 33060036, 38894160, 41325045, 44080048, 55100060, 66120072, 82650090, 110200120, 132240144, 165300180, 220400240, 330600360, 661200720]

約数ペア:

[(1, 661200720), (2, 330600360), (3, 220400240), (4, 165300180), (5, 132240144), (6, 110200120), (8, 82650090), (10, 66120072), (12, 55100060), (15, 44080048), (16, 41325045), (17, 38894160), (20, 33060036), (24, 27550030), (30, 22040024), (34, 19447080), (40, 16530018), (48, 13775015), (51, 12964720), (60, 11020012), (68, 9723540), (80, 8265009), (85, 7778832), (102, 6482360), (120, 5510006), (136, 4861770), (170, 3889416), (204, 3241180), (240, 2755003), (255, 2592944), (272, 2430885), (340, 1944708), (408, 1620590), (510, 1296472), (680, 972354), (816, 810295), (1020, 648236), (1360, 486177), (2040, 324118), (4080, 162059)]