257550480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1110

約数の個数: 240

約数和(自身を含む): 974937600

約数和(自身を除く): 717387120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 496, 528, 558, 620, 660, 682, 720, 744, 792, 880, 930, 990, 1023, 1049, 1116, 1240, 1320, 1364, 1395, 1488, 1584, 1705, 1860, 1980, 2046, 2098, 2232, 2480, 2640, 2728, 2790, 3069, 3147, 3410, 3720, 3960, 4092, 4196, 4464, 5115, 5245, 5456, 5580, 6138, 6294, 6820, 7440, 7920, 8184, 8392, 9441, 10230, 10490, 11160, 11539, 12276, 12588, 13640, 15345, 15735, 16368, 16784, 18882, 20460, 20980, 22320, 23078, 24552, 25176, 27280, 30690, 31470, 32519, 34617, 37764, 40920, 41960, 46156, 47205, 49104, 50352, 57695, 61380, 62940, 65038, 69234, 75528, 81840, 83920, 92312, 94410, 97557, 103851, 115390, 122760, 125880, 130076, 138468, 151056, 162595, 173085, 184624, 188820, 195114, 207702, 230780, 245520, 251760, 260152, 276936, 292671, 325190, 346170, 357709, 377640, 390228, 415404, 461560, 487785, 519255, 520304, 553872, 585342, 650380, 692340, 715418, 755280, 780456, 830808, 923120, 975570, 1038510, 1073127, 1170684, 1300760, 1384680, 1430836, 1463355, 1560912, 1661616, 1788545, 1951140, 2077020, 2146254, 2341368, 2601520, 2769360, 2861672, 2926710, 3219381, 3577090, 3902280, 4154040, 4292508, 4682736, 5365635, 5723344, 5853420, 6438762, 7154180, 7804560, 8308080, 8585016, 10731270, 11706840, 12877524, 14308360, 16096905, 17170032, 21462540, 23413680, 25755048, 28616720, 32193810, 42925080, 51510096, 64387620, 85850160, 128775240, 257550480]

約数ペア:

[(1, 257550480), (2, 128775240), (3, 85850160), (4, 64387620), (5, 51510096), (6, 42925080), (8, 32193810), (9, 28616720), (10, 25755048), (11, 23413680), (12, 21462540), (15, 17170032), (16, 16096905), (18, 14308360), (20, 12877524), (22, 11706840), (24, 10731270), (30, 8585016), (31, 8308080), (33, 7804560), (36, 7154180), (40, 6438762), (44, 5853420), (45, 5723344), (48, 5365635), (55, 4682736), (60, 4292508), (62, 4154040), (66, 3902280), (72, 3577090), (80, 3219381), (88, 2926710), (90, 2861672), (93, 2769360), (99, 2601520), (110, 2341368), (120, 2146254), (124, 2077020), (132, 1951140), (144, 1788545), (155, 1661616), (165, 1560912), (176, 1463355), (180, 1430836), (186, 1384680), (198, 1300760), (220, 1170684), (240, 1073127), (248, 1038510), (264, 975570), (279, 923120), (310, 830808), (330, 780456), (341, 755280), (360, 715418), (372, 692340), (396, 650380), (440, 585342), (465, 553872), (495, 520304), (496, 519255), (528, 487785), (558, 461560), (620, 415404), (660, 390228), (682, 377640), (720, 357709), (744, 346170), (792, 325190), (880, 292671), (930, 276936), (990, 260152), (1023, 251760), (1049, 245520), (1116, 230780), (1240, 207702), (1320, 195114), (1364, 188820), (1395, 184624), (1488, 173085), (1584, 162595), (1705, 151056), (1860, 138468), (1980, 130076), (2046, 125880), (2098, 122760), (2232, 115390), (2480, 103851), (2640, 97557), (2728, 94410), (2790, 92312), (3069, 83920), (3147, 81840), (3410, 75528), (3720, 69234), (3960, 65038), (4092, 62940), (4196, 61380), (4464, 57695), (5115, 50352), (5245, 49104), (5456, 47205), (5580, 46156), (6138, 41960), (6294, 40920), (6820, 37764), (7440, 34617), (7920, 32519), (8184, 31470), (8392, 30690), (9441, 27280), (10230, 25176), (10490, 24552), (11160, 23078), (11539, 22320), (12276, 20980), (12588, 20460), (13640, 18882), (15345, 16784), (15735, 16368)]