7205940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 216

約数和(自身を含む): 27387360

約数和(自身を除く): 20181420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 43, 45, 49, 57, 60, 63, 70, 76, 84, 86, 90, 95, 98, 105, 114, 126, 129, 133, 140, 147, 171, 172, 180, 190, 196, 210, 215, 228, 245, 252, 258, 266, 285, 294, 301, 315, 342, 380, 387, 399, 420, 430, 441, 490, 516, 532, 570, 588, 602, 630, 645, 665, 684, 735, 774, 798, 817, 855, 860, 882, 903, 931, 980, 1140, 1197, 1204, 1260, 1290, 1330, 1470, 1505, 1548, 1596, 1634, 1710, 1764, 1806, 1862, 1935, 1995, 2107, 2205, 2394, 2451, 2580, 2660, 2709, 2793, 2940, 3010, 3268, 3420, 3612, 3724, 3870, 3990, 4085, 4214, 4410, 4515, 4655, 4788, 4902, 5418, 5586, 5719, 5985, 6020, 6321, 7353, 7740, 7980, 8170, 8379, 8428, 8820, 9030, 9310, 9804, 10535, 10836, 11172, 11438, 11970, 12255, 12642, 13545, 13965, 14706, 16340, 16758, 17157, 18060, 18620, 18963, 21070, 22876, 23940, 24510, 25284, 27090, 27930, 28595, 29412, 31605, 33516, 34314, 36765, 37926, 40033, 41895, 42140, 49020, 51471, 54180, 55860, 57190, 63210, 68628, 73530, 75852, 80066, 83790, 85785, 94815, 102942, 114380, 120099, 126420, 147060, 160132, 167580, 171570, 189630, 200165, 205884, 240198, 257355, 343140, 360297, 379260, 400330, 480396, 514710, 600495, 720594, 800660, 1029420, 1200990, 1441188, 1801485, 2401980, 3602970, 7205940]

約数ペア:

[(1, 7205940), (2, 3602970), (3, 2401980), (4, 1801485), (5, 1441188), (6, 1200990), (7, 1029420), (9, 800660), (10, 720594), (12, 600495), (14, 514710), (15, 480396), (18, 400330), (19, 379260), (20, 360297), (21, 343140), (28, 257355), (30, 240198), (35, 205884), (36, 200165), (38, 189630), (42, 171570), (43, 167580), (45, 160132), (49, 147060), (57, 126420), (60, 120099), (63, 114380), (70, 102942), (76, 94815), (84, 85785), (86, 83790), (90, 80066), (95, 75852), (98, 73530), (105, 68628), (114, 63210), (126, 57190), (129, 55860), (133, 54180), (140, 51471), (147, 49020), (171, 42140), (172, 41895), (180, 40033), (190, 37926), (196, 36765), (210, 34314), (215, 33516), (228, 31605), (245, 29412), (252, 28595), (258, 27930), (266, 27090), (285, 25284), (294, 24510), (301, 23940), (315, 22876), (342, 21070), (380, 18963), (387, 18620), (399, 18060), (420, 17157), (430, 16758), (441, 16340), (490, 14706), (516, 13965), (532, 13545), (570, 12642), (588, 12255), (602, 11970), (630, 11438), (645, 11172), (665, 10836), (684, 10535), (735, 9804), (774, 9310), (798, 9030), (817, 8820), (855, 8428), (860, 8379), (882, 8170), (903, 7980), (931, 7740), (980, 7353), (1140, 6321), (1197, 6020), (1204, 5985), (1260, 5719), (1290, 5586), (1330, 5418), (1470, 4902), (1505, 4788), (1548, 4655), (1596, 4515), (1634, 4410), (1710, 4214), (1764, 4085), (1806, 3990), (1862, 3870), (1935, 3724), (1995, 3612), (2107, 3420), (2205, 3268), (2394, 3010), (2451, 2940), (2580, 2793), (2660, 2709)]