279984180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:518

約数の個数: 192

約数和(自身を含む): 943810560

約数和(自身を除く): 663826380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 43, 60, 70, 74, 84, 86, 105, 111, 129, 140, 148, 172, 185, 210, 215, 222, 258, 259, 301, 370, 419, 420, 430, 444, 516, 518, 555, 602, 645, 740, 777, 838, 860, 903, 1036, 1110, 1204, 1257, 1290, 1295, 1505, 1554, 1591, 1676, 1806, 2095, 2220, 2514, 2580, 2590, 2933, 3010, 3108, 3182, 3612, 3885, 4190, 4515, 4773, 5028, 5180, 5866, 6020, 6285, 6364, 7770, 7955, 8380, 8799, 9030, 9546, 11137, 11732, 12570, 14665, 15503, 15540, 15910, 17598, 18017, 18060, 19092, 22274, 23865, 25140, 29330, 31006, 31820, 33411, 35196, 36034, 43995, 44548, 46509, 47730, 54051, 55685, 58660, 62012, 66822, 72068, 77515, 87990, 90085, 93018, 95460, 108102, 108521, 111370, 126119, 133644, 155030, 167055, 175980, 180170, 186036, 216204, 217042, 222740, 232545, 252238, 270255, 310060, 325563, 334110, 360340, 378357, 434084, 465090, 504476, 540510, 542605, 630595, 651126, 666629, 668220, 756714, 930180, 1081020, 1085210, 1261190, 1302252, 1333258, 1513428, 1627815, 1891785, 1999887, 2170420, 2522380, 2666516, 3255630, 3333145, 3783570, 3999774, 4666403, 6511260, 6666290, 7567140, 7999548, 9332806, 9999435, 13332580, 13999209, 18665612, 19998870, 23332015, 27998418, 39997740, 46664030, 55996836, 69996045, 93328060, 139992090, 279984180]

約数ペア:

[(1, 279984180), (2, 139992090), (3, 93328060), (4, 69996045), (5, 55996836), (6, 46664030), (7, 39997740), (10, 27998418), (12, 23332015), (14, 19998870), (15, 18665612), (20, 13999209), (21, 13332580), (28, 9999435), (30, 9332806), (35, 7999548), (37, 7567140), (42, 6666290), (43, 6511260), (60, 4666403), (70, 3999774), (74, 3783570), (84, 3333145), (86, 3255630), (105, 2666516), (111, 2522380), (129, 2170420), (140, 1999887), (148, 1891785), (172, 1627815), (185, 1513428), (210, 1333258), (215, 1302252), (222, 1261190), (258, 1085210), (259, 1081020), (301, 930180), (370, 756714), (419, 668220), (420, 666629), (430, 651126), (444, 630595), (516, 542605), (518, 540510), (555, 504476), (602, 465090), (645, 434084), (740, 378357), (777, 360340), (838, 334110), (860, 325563), (903, 310060), (1036, 270255), (1110, 252238), (1204, 232545), (1257, 222740), (1290, 217042), (1295, 216204), (1505, 186036), (1554, 180170), (1591, 175980), (1676, 167055), (1806, 155030), (2095, 133644), (2220, 126119), (2514, 111370), (2580, 108521), (2590, 108102), (2933, 95460), (3010, 93018), (3108, 90085), (3182, 87990), (3612, 77515), (3885, 72068), (4190, 66822), (4515, 62012), (4773, 58660), (5028, 55685), (5180, 54051), (5866, 47730), (6020, 46509), (6285, 44548), (6364, 43995), (7770, 36034), (7955, 35196), (8380, 33411), (8799, 31820), (9030, 31006), (9546, 29330), (11137, 25140), (11732, 23865), (12570, 22274), (14665, 19092), (15503, 18060), (15540, 18017), (15910, 17598)]