331372020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{821}}^1$

素因数の和:902

約数の個数: 144

約数和(自身を含む): 1097034624

約数和(自身を除く): 765662604

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 821, 868, 930, 961, 1085, 1302, 1642, 1860, 1922, 2170, 2463, 2604, 2883, 3255, 3284, 3844, 4105, 4340, 4805, 4926, 5747, 5766, 6510, 6727, 8210, 9610, 9852, 11494, 11532, 12315, 13020, 13454, 14415, 16420, 17241, 19220, 20181, 22988, 24630, 25451, 26908, 28735, 28830, 33635, 34482, 40362, 49260, 50902, 57470, 57660, 67270, 68964, 76353, 80724, 86205, 100905, 101804, 114940, 127255, 134540, 152706, 172410, 178157, 201810, 254510, 305412, 344820, 356314, 381765, 403620, 509020, 534471, 712628, 763530, 788981, 890785, 1068942, 1527060, 1577962, 1781570, 2137884, 2366943, 2672355, 3155924, 3563140, 3944905, 4733886, 5344710, 5522867, 7889810, 9467772, 10689420, 11045734, 11834715, 15779620, 16568601, 22091468, 23669430, 27614335, 33137202, 47338860, 55228670, 66274404, 82843005, 110457340, 165686010, 331372020]

約数ペア:

[(1, 331372020), (2, 165686010), (3, 110457340), (4, 82843005), (5, 66274404), (6, 55228670), (7, 47338860), (10, 33137202), (12, 27614335), (14, 23669430), (15, 22091468), (20, 16568601), (21, 15779620), (28, 11834715), (30, 11045734), (31, 10689420), (35, 9467772), (42, 7889810), (60, 5522867), (62, 5344710), (70, 4733886), (84, 3944905), (93, 3563140), (105, 3155924), (124, 2672355), (140, 2366943), (155, 2137884), (186, 1781570), (210, 1577962), (217, 1527060), (310, 1068942), (372, 890785), (420, 788981), (434, 763530), (465, 712628), (620, 534471), (651, 509020), (821, 403620), (868, 381765), (930, 356314), (961, 344820), (1085, 305412), (1302, 254510), (1642, 201810), (1860, 178157), (1922, 172410), (2170, 152706), (2463, 134540), (2604, 127255), (2883, 114940), (3255, 101804), (3284, 100905), (3844, 86205), (4105, 80724), (4340, 76353), (4805, 68964), (4926, 67270), (5747, 57660), (5766, 57470), (6510, 50902), (6727, 49260), (8210, 40362), (9610, 34482), (9852, 33635), (11494, 28830), (11532, 28735), (12315, 26908), (13020, 25451), (13454, 24630), (14415, 22988), (16420, 20181), (17241, 19220)]