261652320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1$

素因数の和:1797

約数の個数: 144

約数和(自身を含む): 901620720

約数和(自身を除く): 639968400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 480, 545, 654, 720, 872, 981, 1090, 1308, 1440, 1635, 1667, 1744, 1962, 2180, 2616, 3270, 3334, 3488, 3924, 4360, 4905, 5001, 5232, 6540, 6668, 7848, 8335, 8720, 9810, 10002, 10464, 13080, 13336, 15003, 15696, 16670, 17440, 19620, 20004, 25005, 26160, 26672, 30006, 31392, 33340, 39240, 40008, 50010, 52320, 53344, 60012, 66680, 75015, 78480, 80016, 100020, 120024, 133360, 150030, 156960, 160032, 181703, 200040, 240048, 266720, 300060, 363406, 400080, 480096, 545109, 600120, 726812, 800160, 908515, 1090218, 1200240, 1453624, 1635327, 1817030, 2180436, 2400480, 2725545, 2907248, 3270654, 3634060, 4360872, 5451090, 5814496, 6541308, 7268120, 8176635, 8721744, 10902180, 13082616, 14536240, 16353270, 17443488, 21804360, 26165232, 29072480, 32706540, 43608720, 52330464, 65413080, 87217440, 130826160, 261652320]

約数ペア:

[(1, 261652320), (2, 130826160), (3, 87217440), (4, 65413080), (5, 52330464), (6, 43608720), (8, 32706540), (9, 29072480), (10, 26165232), (12, 21804360), (15, 17443488), (16, 16353270), (18, 14536240), (20, 13082616), (24, 10902180), (30, 8721744), (32, 8176635), (36, 7268120), (40, 6541308), (45, 5814496), (48, 5451090), (60, 4360872), (72, 3634060), (80, 3270654), (90, 2907248), (96, 2725545), (109, 2400480), (120, 2180436), (144, 1817030), (160, 1635327), (180, 1453624), (218, 1200240), (240, 1090218), (288, 908515), (327, 800160), (360, 726812), (436, 600120), (480, 545109), (545, 480096), (654, 400080), (720, 363406), (872, 300060), (981, 266720), (1090, 240048), (1308, 200040), (1440, 181703), (1635, 160032), (1667, 156960), (1744, 150030), (1962, 133360), (2180, 120024), (2616, 100020), (3270, 80016), (3334, 78480), (3488, 75015), (3924, 66680), (4360, 60012), (4905, 53344), (5001, 52320), (5232, 50010), (6540, 40008), (6668, 39240), (7848, 33340), (8335, 31392), (8720, 30006), (9810, 26672), (10002, 26160), (10464, 25005), (13080, 20004), (13336, 19620), (15003, 17440), (15696, 16670)]