256917150

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:936

約数の個数: 192

約数和(自身を含む): 836136960

約数和(自身を除く): 579219810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 31, 35, 42, 45, 50, 54, 62, 63, 70, 75, 90, 93, 105, 126, 135, 150, 155, 175, 186, 189, 210, 217, 225, 270, 279, 310, 315, 350, 378, 434, 450, 465, 525, 558, 630, 651, 675, 775, 837, 877, 930, 945, 1050, 1085, 1302, 1350, 1395, 1550, 1575, 1674, 1754, 1890, 1953, 2170, 2325, 2631, 2790, 3150, 3255, 3906, 4185, 4385, 4650, 4725, 5262, 5425, 5859, 6139, 6510, 6975, 7893, 8370, 8770, 9450, 9765, 10850, 11718, 12278, 13155, 13950, 15786, 16275, 18417, 19530, 20925, 21925, 23679, 26310, 27187, 29295, 30695, 32550, 36834, 39465, 41850, 43850, 47358, 48825, 54374, 55251, 58590, 61390, 65775, 78930, 81561, 92085, 97650, 110502, 118395, 131550, 135935, 146475, 153475, 163122, 165753, 184170, 190309, 197325, 236790, 244683, 271870, 276255, 292950, 306950, 331506, 380618, 394650, 407805, 460425, 489366, 552510, 570927, 591975, 679675, 734049, 815610, 828765, 920850, 951545, 1141854, 1183950, 1223415, 1359350, 1381275, 1468098, 1657530, 1712781, 1903090, 2039025, 2446830, 2762550, 2854635, 3425562, 3670245, 4078050, 4143825, 4757725, 5138343, 5709270, 6117075, 7340490, 8287650, 8563905, 9515450, 10276686, 12234150, 14273175, 17127810, 18351225, 25691715, 28546350, 36702450, 42819525, 51383430, 85639050, 128458575, 256917150]

約数ペア:

[(1, 256917150), (2, 128458575), (3, 85639050), (5, 51383430), (6, 42819525), (7, 36702450), (9, 28546350), (10, 25691715), (14, 18351225), (15, 17127810), (18, 14273175), (21, 12234150), (25, 10276686), (27, 9515450), (30, 8563905), (31, 8287650), (35, 7340490), (42, 6117075), (45, 5709270), (50, 5138343), (54, 4757725), (62, 4143825), (63, 4078050), (70, 3670245), (75, 3425562), (90, 2854635), (93, 2762550), (105, 2446830), (126, 2039025), (135, 1903090), (150, 1712781), (155, 1657530), (175, 1468098), (186, 1381275), (189, 1359350), (210, 1223415), (217, 1183950), (225, 1141854), (270, 951545), (279, 920850), (310, 828765), (315, 815610), (350, 734049), (378, 679675), (434, 591975), (450, 570927), (465, 552510), (525, 489366), (558, 460425), (630, 407805), (651, 394650), (675, 380618), (775, 331506), (837, 306950), (877, 292950), (930, 276255), (945, 271870), (1050, 244683), (1085, 236790), (1302, 197325), (1350, 190309), (1395, 184170), (1550, 165753), (1575, 163122), (1674, 153475), (1754, 146475), (1890, 135935), (1953, 131550), (2170, 118395), (2325, 110502), (2631, 97650), (2790, 92085), (3150, 81561), (3255, 78930), (3906, 65775), (4185, 61390), (4385, 58590), (4650, 55251), (4725, 54374), (5262, 48825), (5425, 47358), (5859, 43850), (6139, 41850), (6510, 39465), (6975, 36834), (7893, 32550), (8370, 30695), (8770, 29295), (9450, 27187), (9765, 26310), (10850, 23679), (11718, 21925), (12278, 20925), (13155, 19530), (13950, 18417), (15786, 16275)]