645105195

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 1451335680

約数和(自身を除く): 806230485

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 31, 35, 45, 57, 61, 63, 93, 95, 105, 133, 135, 155, 171, 183, 189, 217, 279, 285, 305, 315, 361, 399, 427, 465, 513, 549, 589, 651, 665, 837, 855, 915, 945, 1083, 1085, 1159, 1197, 1281, 1395, 1647, 1767, 1805, 1891, 1953, 1995, 2135, 2527, 2565, 2745, 2945, 3249, 3255, 3477, 3591, 3843, 4123, 4185, 5301, 5415, 5673, 5795, 5859, 5985, 6405, 7581, 8113, 8235, 8835, 9455, 9747, 9765, 10431, 11191, 11529, 12369, 12635, 13237, 15903, 16245, 17019, 17385, 17955, 19215, 20615, 22021, 22743, 24339, 26505, 28365, 29295, 31293, 33573, 35929, 37107, 37905, 39711, 40565, 48735, 51057, 52155, 55955, 57645, 61845, 66063, 66185, 68229, 73017, 78337, 79515, 85095, 100719, 107787, 110105, 111321, 113715, 119133, 121695, 154147, 156465, 167865, 179645, 185535, 198189, 198555, 219051, 235011, 251503, 255285, 302157, 323361, 330315, 341145, 357399, 365085, 391685, 462441, 503595, 538935, 556605, 594567, 595665, 682651, 705033, 754509, 770735, 970083, 990945, 1095255, 1175055, 1257515, 1387323, 1510785, 1616805, 1786995, 2047953, 2115099, 2263527, 2312205, 2972835, 3413255, 3525165, 3772545, 4161969, 4778557, 4850415, 6143859, 6790581, 6936615, 10239765, 10575495, 11317635, 14335671, 18431577, 20809845, 23892785, 30719295, 33952905, 43007013, 71678355, 92157885, 129021039, 215035065, 645105195]

約数ペア:

[(1, 645105195), (3, 215035065), (5, 129021039), (7, 92157885), (9, 71678355), (15, 43007013), (19, 33952905), (21, 30719295), (27, 23892785), (31, 20809845), (35, 18431577), (45, 14335671), (57, 11317635), (61, 10575495), (63, 10239765), (93, 6936615), (95, 6790581), (105, 6143859), (133, 4850415), (135, 4778557), (155, 4161969), (171, 3772545), (183, 3525165), (189, 3413255), (217, 2972835), (279, 2312205), (285, 2263527), (305, 2115099), (315, 2047953), (361, 1786995), (399, 1616805), (427, 1510785), (465, 1387323), (513, 1257515), (549, 1175055), (589, 1095255), (651, 990945), (665, 970083), (837, 770735), (855, 754509), (915, 705033), (945, 682651), (1083, 595665), (1085, 594567), (1159, 556605), (1197, 538935), (1281, 503595), (1395, 462441), (1647, 391685), (1767, 365085), (1805, 357399), (1891, 341145), (1953, 330315), (1995, 323361), (2135, 302157), (2527, 255285), (2565, 251503), (2745, 235011), (2945, 219051), (3249, 198555), (3255, 198189), (3477, 185535), (3591, 179645), (3843, 167865), (4123, 156465), (4185, 154147), (5301, 121695), (5415, 119133), (5673, 113715), (5795, 111321), (5859, 110105), (5985, 107787), (6405, 100719), (7581, 85095), (8113, 79515), (8235, 78337), (8835, 73017), (9455, 68229), (9747, 66185), (9765, 66063), (10431, 61845), (11191, 57645), (11529, 55955), (12369, 52155), (12635, 51057), (13237, 48735), (15903, 40565), (16245, 39711), (17019, 37905), (17385, 37107), (17955, 35929), (19215, 33573), (20615, 31293), (22021, 29295), (22743, 28365), (24339, 26505)]