256810500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:421

約数の個数: 240

約数和(自身を含む): 889512624

約数和(自身を除く): 632702124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 45, 50, 51, 54, 60, 68, 75, 81, 85, 90, 100, 102, 108, 125, 135, 150, 153, 162, 170, 180, 204, 225, 250, 255, 270, 300, 306, 324, 340, 373, 375, 405, 425, 450, 459, 500, 510, 540, 612, 675, 746, 750, 765, 810, 850, 900, 918, 1020, 1119, 1125, 1275, 1350, 1377, 1492, 1500, 1530, 1620, 1700, 1836, 1865, 2025, 2125, 2238, 2250, 2295, 2550, 2700, 2754, 3060, 3357, 3375, 3730, 3825, 4050, 4250, 4476, 4500, 4590, 5100, 5508, 5595, 6341, 6375, 6714, 6750, 6885, 7460, 7650, 8100, 8500, 9180, 9325, 10071, 10125, 11190, 11475, 12682, 12750, 13428, 13500, 13770, 15300, 16785, 18650, 19023, 19125, 20142, 20250, 22380, 22950, 25364, 25500, 27540, 27975, 30213, 31705, 33570, 34425, 37300, 38046, 38250, 40284, 40500, 45900, 46625, 50355, 55950, 57069, 57375, 60426, 63410, 67140, 68850, 76092, 76500, 83925, 93250, 95115, 100710, 111900, 114138, 114750, 120852, 126820, 137700, 139875, 151065, 158525, 167850, 171207, 172125, 186500, 190230, 201420, 228276, 229500, 251775, 279750, 285345, 302130, 317050, 335700, 342414, 344250, 380460, 419625, 475575, 503550, 513621, 559500, 570690, 604260, 634100, 684828, 688500, 755325, 792625, 839250, 856035, 951150, 1007100, 1027242, 1141380, 1258875, 1426725, 1510650, 1585250, 1678500, 1712070, 1902300, 2054484, 2377875, 2517750, 2568105, 2853450, 3021300, 3170500, 3424140, 3776625, 4280175, 4755750, 5035500, 5136210, 5706900, 7133625, 7553250, 8560350, 9511500, 10272420, 12840525, 14267250, 15106500, 17120700, 21400875, 25681050, 28534500, 42801750, 51362100, 64202625, 85603500, 128405250, 256810500]

約数ペア:

[(1, 256810500), (2, 128405250), (3, 85603500), (4, 64202625), (5, 51362100), (6, 42801750), (9, 28534500), (10, 25681050), (12, 21400875), (15, 17120700), (17, 15106500), (18, 14267250), (20, 12840525), (25, 10272420), (27, 9511500), (30, 8560350), (34, 7553250), (36, 7133625), (45, 5706900), (50, 5136210), (51, 5035500), (54, 4755750), (60, 4280175), (68, 3776625), (75, 3424140), (81, 3170500), (85, 3021300), (90, 2853450), (100, 2568105), (102, 2517750), (108, 2377875), (125, 2054484), (135, 1902300), (150, 1712070), (153, 1678500), (162, 1585250), (170, 1510650), (180, 1426725), (204, 1258875), (225, 1141380), (250, 1027242), (255, 1007100), (270, 951150), (300, 856035), (306, 839250), (324, 792625), (340, 755325), (373, 688500), (375, 684828), (405, 634100), (425, 604260), (450, 570690), (459, 559500), (500, 513621), (510, 503550), (540, 475575), (612, 419625), (675, 380460), (746, 344250), (750, 342414), (765, 335700), (810, 317050), (850, 302130), (900, 285345), (918, 279750), (1020, 251775), (1119, 229500), (1125, 228276), (1275, 201420), (1350, 190230), (1377, 186500), (1492, 172125), (1500, 171207), (1530, 167850), (1620, 158525), (1700, 151065), (1836, 139875), (1865, 137700), (2025, 126820), (2125, 120852), (2238, 114750), (2250, 114138), (2295, 111900), (2550, 100710), (2700, 95115), (2754, 93250), (3060, 83925), (3357, 76500), (3375, 76092), (3730, 68850), (3825, 67140), (4050, 63410), (4250, 60426), (4476, 57375), (4500, 57069), (4590, 55950), (5100, 50355), (5508, 46625), (5595, 45900), (6341, 40500), (6375, 40284), (6714, 38250), (6750, 38046), (6885, 37300), (7460, 34425), (7650, 33570), (8100, 31705), (8500, 30213), (9180, 27975), (9325, 27540), (10071, 25500), (10125, 25364), (11190, 22950), (11475, 22380), (12682, 20250), (12750, 20142), (13428, 19125), (13500, 19023), (13770, 18650), (15300, 16785)]