256921800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:796

約数の個数: 192

約数和(自身を含む): 866611200

約数和(自身を除く): 609689400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 31, 38, 40, 50, 57, 60, 62, 75, 76, 93, 95, 100, 114, 120, 124, 150, 152, 155, 186, 190, 200, 228, 248, 285, 300, 310, 372, 380, 456, 465, 475, 570, 589, 600, 620, 727, 744, 760, 775, 930, 950, 1140, 1178, 1240, 1425, 1454, 1550, 1767, 1860, 1900, 2181, 2280, 2325, 2356, 2850, 2908, 2945, 3100, 3534, 3635, 3720, 3800, 4362, 4650, 4712, 5700, 5816, 5890, 6200, 7068, 7270, 8724, 8835, 9300, 10905, 11400, 11780, 13813, 14136, 14540, 14725, 17448, 17670, 18175, 18600, 21810, 22537, 23560, 27626, 29080, 29450, 35340, 36350, 41439, 43620, 44175, 45074, 54525, 55252, 58900, 67611, 69065, 70680, 72700, 82878, 87240, 88350, 90148, 109050, 110504, 112685, 117800, 135222, 138130, 145400, 165756, 176700, 180296, 207195, 218100, 225370, 270444, 276260, 331512, 338055, 345325, 353400, 414390, 428203, 436200, 450740, 540888, 552520, 563425, 676110, 690650, 828780, 856406, 901480, 1035975, 1126850, 1284609, 1352220, 1381300, 1657560, 1690275, 1712812, 2071950, 2141015, 2253700, 2569218, 2704440, 2762600, 3380550, 3425624, 4143900, 4282030, 4507400, 5138436, 6423045, 6761100, 8287800, 8564060, 10276872, 10705075, 12846090, 13522200, 17128120, 21410150, 25692180, 32115225, 42820300, 51384360, 64230450, 85640600, 128460900, 256921800]

約数ペア:

[(1, 256921800), (2, 128460900), (3, 85640600), (4, 64230450), (5, 51384360), (6, 42820300), (8, 32115225), (10, 25692180), (12, 21410150), (15, 17128120), (19, 13522200), (20, 12846090), (24, 10705075), (25, 10276872), (30, 8564060), (31, 8287800), (38, 6761100), (40, 6423045), (50, 5138436), (57, 4507400), (60, 4282030), (62, 4143900), (75, 3425624), (76, 3380550), (93, 2762600), (95, 2704440), (100, 2569218), (114, 2253700), (120, 2141015), (124, 2071950), (150, 1712812), (152, 1690275), (155, 1657560), (186, 1381300), (190, 1352220), (200, 1284609), (228, 1126850), (248, 1035975), (285, 901480), (300, 856406), (310, 828780), (372, 690650), (380, 676110), (456, 563425), (465, 552520), (475, 540888), (570, 450740), (589, 436200), (600, 428203), (620, 414390), (727, 353400), (744, 345325), (760, 338055), (775, 331512), (930, 276260), (950, 270444), (1140, 225370), (1178, 218100), (1240, 207195), (1425, 180296), (1454, 176700), (1550, 165756), (1767, 145400), (1860, 138130), (1900, 135222), (2181, 117800), (2280, 112685), (2325, 110504), (2356, 109050), (2850, 90148), (2908, 88350), (2945, 87240), (3100, 82878), (3534, 72700), (3635, 70680), (3720, 69065), (3800, 67611), (4362, 58900), (4650, 55252), (4712, 54525), (5700, 45074), (5816, 44175), (5890, 43620), (6200, 41439), (7068, 36350), (7270, 35340), (8724, 29450), (8835, 29080), (9300, 27626), (10905, 23560), (11400, 22537), (11780, 21810), (13813, 18600), (14136, 18175), (14540, 17670), (14725, 17448)]