221040540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5659}}^1$

素因数の和:5712

約数の個数: 144

約数和(自身を含む): 791132160

約数和(自身を除く): 570091620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 5659, 6510, 7812, 9765, 11318, 13020, 16977, 19530, 22636, 28295, 33954, 39060, 39613, 50931, 56590, 67908, 79226, 84885, 101862, 113180, 118839, 158452, 169770, 175429, 198065, 203724, 237678, 254655, 339540, 350858, 356517, 396130, 475356, 509310, 526287, 594195, 701716, 713034, 792260, 877145, 1018620, 1052574, 1188390, 1228003, 1426068, 1578861, 1754290, 1782585, 2105148, 2376780, 2456006, 2631435, 3157722, 3508580, 3565170, 3684009, 4912012, 5262870, 6140015, 6315444, 7130340, 7368018, 7894305, 10525740, 11052027, 12280030, 14736036, 15788610, 18420045, 22104054, 24560060, 31577220, 36840090, 44208108, 55260135, 73680180, 110520270, 221040540]

約数ペア:

[(1, 221040540), (2, 110520270), (3, 73680180), (4, 55260135), (5, 44208108), (6, 36840090), (7, 31577220), (9, 24560060), (10, 22104054), (12, 18420045), (14, 15788610), (15, 14736036), (18, 12280030), (20, 11052027), (21, 10525740), (28, 7894305), (30, 7368018), (31, 7130340), (35, 6315444), (36, 6140015), (42, 5262870), (45, 4912012), (60, 3684009), (62, 3565170), (63, 3508580), (70, 3157722), (84, 2631435), (90, 2456006), (93, 2376780), (105, 2105148), (124, 1782585), (126, 1754290), (140, 1578861), (155, 1426068), (180, 1228003), (186, 1188390), (210, 1052574), (217, 1018620), (252, 877145), (279, 792260), (310, 713034), (315, 701716), (372, 594195), (420, 526287), (434, 509310), (465, 475356), (558, 396130), (620, 356517), (630, 350858), (651, 339540), (868, 254655), (930, 237678), (1085, 203724), (1116, 198065), (1260, 175429), (1302, 169770), (1395, 158452), (1860, 118839), (1953, 113180), (2170, 101862), (2604, 84885), (2790, 79226), (3255, 67908), (3906, 56590), (4340, 50931), (5580, 39613), (5659, 39060), (6510, 33954), (7812, 28295), (9765, 22636), (11318, 19530), (13020, 16977)]