261605280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17581}}^1$

素因数の和:17630

約数の個数: 96

約数和(自身を含む): 850687488

約数和(自身を除く): 589082208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 14880, 17581, 35162, 52743, 70324, 87905, 105486, 140648, 175810, 210972, 263715, 281296, 351620, 421944, 527430, 545011, 562592, 703240, 843888, 1054860, 1090022, 1406480, 1635033, 1687776, 2109720, 2180044, 2725055, 2812960, 3270066, 4219440, 4360088, 5450110, 6540132, 8175165, 8438880, 8720176, 10900220, 13080264, 16350330, 17440352, 21800440, 26160528, 32700660, 43600880, 52321056, 65401320, 87201760, 130802640, 261605280]

約数ペア:

[(1, 261605280), (2, 130802640), (3, 87201760), (4, 65401320), (5, 52321056), (6, 43600880), (8, 32700660), (10, 26160528), (12, 21800440), (15, 17440352), (16, 16350330), (20, 13080264), (24, 10900220), (30, 8720176), (31, 8438880), (32, 8175165), (40, 6540132), (48, 5450110), (60, 4360088), (62, 4219440), (80, 3270066), (93, 2812960), (96, 2725055), (120, 2180044), (124, 2109720), (155, 1687776), (160, 1635033), (186, 1406480), (240, 1090022), (248, 1054860), (310, 843888), (372, 703240), (465, 562592), (480, 545011), (496, 527430), (620, 421944), (744, 351620), (930, 281296), (992, 263715), (1240, 210972), (1488, 175810), (1860, 140648), (2480, 105486), (2976, 87905), (3720, 70324), (4960, 52743), (7440, 35162), (14880, 17581)]