488165220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 1513512000

約数和(自身を除く): 1025346780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 139, 179, 180, 218, 278, 327, 358, 417, 436, 537, 545, 556, 654, 695, 716, 834, 895, 981, 1074, 1090, 1251, 1308, 1390, 1611, 1635, 1668, 1790, 1962, 2085, 2148, 2180, 2502, 2685, 2780, 3222, 3270, 3580, 3924, 4170, 4905, 5004, 5370, 6255, 6444, 6540, 8055, 8340, 9810, 10740, 12510, 15151, 16110, 19511, 19620, 24881, 25020, 30302, 32220, 39022, 45453, 49762, 58533, 60604, 74643, 75755, 78044, 90906, 97555, 99524, 117066, 124405, 136359, 149286, 151510, 175599, 181812, 195110, 223929, 227265, 234132, 248810, 272718, 292665, 298572, 303020, 351198, 373215, 390220, 447858, 454530, 497620, 545436, 585330, 681795, 702396, 746430, 877995, 895716, 909060, 1119645, 1170660, 1363590, 1492860, 1755990, 2239290, 2712029, 2727180, 3511980, 4478580, 5424058, 8136087, 10848116, 13560145, 16272174, 24408261, 27120290, 32544348, 40680435, 48816522, 54240580, 81360870, 97633044, 122041305, 162721740, 244082610, 488165220]

約数ペア:

[(1, 488165220), (2, 244082610), (3, 162721740), (4, 122041305), (5, 97633044), (6, 81360870), (9, 54240580), (10, 48816522), (12, 40680435), (15, 32544348), (18, 27120290), (20, 24408261), (30, 16272174), (36, 13560145), (45, 10848116), (60, 8136087), (90, 5424058), (109, 4478580), (139, 3511980), (179, 2727180), (180, 2712029), (218, 2239290), (278, 1755990), (327, 1492860), (358, 1363590), (417, 1170660), (436, 1119645), (537, 909060), (545, 895716), (556, 877995), (654, 746430), (695, 702396), (716, 681795), (834, 585330), (895, 545436), (981, 497620), (1074, 454530), (1090, 447858), (1251, 390220), (1308, 373215), (1390, 351198), (1611, 303020), (1635, 298572), (1668, 292665), (1790, 272718), (1962, 248810), (2085, 234132), (2148, 227265), (2180, 223929), (2502, 195110), (2685, 181812), (2780, 175599), (3222, 151510), (3270, 149286), (3580, 136359), (3924, 124405), (4170, 117066), (4905, 99524), (5004, 97555), (5370, 90906), (6255, 78044), (6444, 75755), (6540, 74643), (8055, 60604), (8340, 58533), (9810, 49762), (10740, 45453), (12510, 39022), (15151, 32220), (16110, 30302), (19511, 25020), (19620, 24881)]