80435460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 265446720

約数和(自身を除く): 185011260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 196, 210, 218, 245, 251, 294, 327, 420, 436, 490, 502, 545, 588, 654, 735, 753, 763, 980, 1004, 1090, 1255, 1308, 1470, 1506, 1526, 1635, 1757, 2180, 2289, 2510, 2940, 3012, 3052, 3270, 3514, 3765, 3815, 4578, 5020, 5271, 5341, 6540, 7028, 7530, 7630, 8785, 9156, 10542, 10682, 11445, 12299, 15060, 15260, 16023, 17570, 21084, 21364, 22890, 24598, 26355, 26705, 27359, 32046, 35140, 36897, 45780, 49196, 52710, 53410, 54718, 61495, 64092, 73794, 80115, 82077, 105420, 106820, 109436, 122990, 136795, 147588, 160230, 164154, 184485, 191513, 245980, 273590, 320460, 328308, 368970, 383026, 410385, 547180, 574539, 737940, 766052, 820770, 957565, 1149078, 1340591, 1641540, 1915130, 2298156, 2681182, 2872695, 3830260, 4021773, 5362364, 5745390, 6702955, 8043546, 11490780, 13405910, 16087092, 20108865, 26811820, 40217730, 80435460]

約数ペア:

[(1, 80435460), (2, 40217730), (3, 26811820), (4, 20108865), (5, 16087092), (6, 13405910), (7, 11490780), (10, 8043546), (12, 6702955), (14, 5745390), (15, 5362364), (20, 4021773), (21, 3830260), (28, 2872695), (30, 2681182), (35, 2298156), (42, 1915130), (49, 1641540), (60, 1340591), (70, 1149078), (84, 957565), (98, 820770), (105, 766052), (109, 737940), (140, 574539), (147, 547180), (196, 410385), (210, 383026), (218, 368970), (245, 328308), (251, 320460), (294, 273590), (327, 245980), (420, 191513), (436, 184485), (490, 164154), (502, 160230), (545, 147588), (588, 136795), (654, 122990), (735, 109436), (753, 106820), (763, 105420), (980, 82077), (1004, 80115), (1090, 73794), (1255, 64092), (1308, 61495), (1470, 54718), (1506, 53410), (1526, 52710), (1635, 49196), (1757, 45780), (2180, 36897), (2289, 35140), (2510, 32046), (2940, 27359), (3012, 26705), (3052, 26355), (3270, 24598), (3514, 22890), (3765, 21364), (3815, 21084), (4578, 17570), (5020, 16023), (5271, 15260), (5341, 15060), (6540, 12299), (7028, 11445), (7530, 10682), (7630, 10542), (8785, 9156)]