644104980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:511

約数の個数: 192

約数和(自身を含む): 2093414400

約数和(自身を除く): 1449309420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 109, 124, 135, 155, 180, 186, 218, 270, 279, 310, 327, 353, 372, 436, 465, 540, 545, 558, 620, 654, 706, 837, 930, 981, 1059, 1090, 1116, 1308, 1395, 1412, 1635, 1674, 1765, 1860, 1962, 2118, 2180, 2790, 2943, 3177, 3270, 3348, 3379, 3530, 3924, 4185, 4236, 4905, 5295, 5580, 5886, 6354, 6540, 6758, 7060, 8370, 9531, 9810, 10137, 10590, 10943, 11772, 12708, 13516, 14715, 15885, 16740, 16895, 19062, 19620, 20274, 21180, 21886, 29430, 30411, 31770, 32829, 33790, 38124, 38477, 40548, 43772, 47655, 50685, 54715, 58860, 60822, 63540, 65658, 67580, 76954, 91233, 95310, 98487, 101370, 109430, 115431, 121644, 131316, 152055, 153908, 164145, 182466, 190620, 192385, 196974, 202740, 218860, 230862, 295461, 304110, 328290, 346293, 364932, 384770, 393948, 456165, 461724, 492435, 577155, 590922, 608220, 656580, 692586, 769540, 912330, 984870, 1038879, 1154310, 1181844, 1192787, 1385172, 1477305, 1731465, 1824660, 1969740, 2077758, 2308620, 2385574, 2954610, 3462930, 3578361, 4155516, 4771148, 5194395, 5909220, 5963935, 6925860, 7156722, 10388790, 10735083, 11927870, 14313444, 17891805, 20777580, 21470166, 23855740, 32205249, 35783610, 42940332, 53675415, 64410498, 71567220, 107350830, 128820996, 161026245, 214701660, 322052490, 644104980]

約数ペア:

[(1, 644104980), (2, 322052490), (3, 214701660), (4, 161026245), (5, 128820996), (6, 107350830), (9, 71567220), (10, 64410498), (12, 53675415), (15, 42940332), (18, 35783610), (20, 32205249), (27, 23855740), (30, 21470166), (31, 20777580), (36, 17891805), (45, 14313444), (54, 11927870), (60, 10735083), (62, 10388790), (90, 7156722), (93, 6925860), (108, 5963935), (109, 5909220), (124, 5194395), (135, 4771148), (155, 4155516), (180, 3578361), (186, 3462930), (218, 2954610), (270, 2385574), (279, 2308620), (310, 2077758), (327, 1969740), (353, 1824660), (372, 1731465), (436, 1477305), (465, 1385172), (540, 1192787), (545, 1181844), (558, 1154310), (620, 1038879), (654, 984870), (706, 912330), (837, 769540), (930, 692586), (981, 656580), (1059, 608220), (1090, 590922), (1116, 577155), (1308, 492435), (1395, 461724), (1412, 456165), (1635, 393948), (1674, 384770), (1765, 364932), (1860, 346293), (1962, 328290), (2118, 304110), (2180, 295461), (2790, 230862), (2943, 218860), (3177, 202740), (3270, 196974), (3348, 192385), (3379, 190620), (3530, 182466), (3924, 164145), (4185, 153908), (4236, 152055), (4905, 131316), (5295, 121644), (5580, 115431), (5886, 109430), (6354, 101370), (6540, 98487), (6758, 95310), (7060, 91233), (8370, 76954), (9531, 67580), (9810, 65658), (10137, 63540), (10590, 60822), (10943, 58860), (11772, 54715), (12708, 50685), (13516, 47655), (14715, 43772), (15885, 40548), (16740, 38477), (16895, 38124), (19062, 33790), (19620, 32829), (20274, 31770), (21180, 30411), (21886, 29430)]