1285260000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 240

約数和(自身を含む): 4358204928

約数和(自身を除く): 3072944928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 75, 80, 93, 96, 100, 120, 124, 125, 150, 155, 160, 186, 200, 240, 248, 250, 300, 310, 372, 375, 400, 465, 480, 496, 500, 600, 620, 625, 691, 744, 750, 775, 800, 930, 992, 1000, 1200, 1240, 1250, 1382, 1488, 1500, 1550, 1860, 1875, 2000, 2073, 2325, 2400, 2480, 2500, 2764, 2976, 3000, 3100, 3455, 3720, 3750, 3875, 4000, 4146, 4650, 4960, 5000, 5528, 6000, 6200, 6910, 7440, 7500, 7750, 8292, 9300, 10000, 10365, 11056, 11625, 12000, 12400, 13820, 14880, 15000, 15500, 16584, 17275, 18600, 19375, 20000, 20730, 21421, 22112, 23250, 24800, 27640, 30000, 31000, 33168, 34550, 37200, 38750, 41460, 42842, 46500, 51825, 55280, 58125, 60000, 62000, 64263, 66336, 69100, 74400, 77500, 82920, 85684, 86375, 93000, 103650, 107105, 110560, 116250, 124000, 128526, 138200, 155000, 165840, 171368, 172750, 186000, 207300, 214210, 232500, 257052, 259125, 276400, 310000, 321315, 331680, 342736, 345500, 372000, 414600, 428420, 431875, 465000, 514104, 518250, 535525, 552800, 620000, 642630, 685472, 691000, 829200, 856840, 863750, 930000, 1028208, 1036500, 1071050, 1285260, 1295625, 1382000, 1606575, 1658400, 1713680, 1727500, 1860000, 2056416, 2073000, 2142100, 2570520, 2591250, 2677625, 2764000, 3213150, 3427360, 3455000, 4146000, 4284200, 5141040, 5182500, 5355250, 6426300, 6910000, 8032875, 8292000, 8568400, 10282080, 10365000, 10710500, 12852600, 13388125, 13820000, 16065750, 17136800, 20730000, 21421000, 25705200, 26776250, 32131500, 40164375, 41460000, 42842000, 51410400, 53552500, 64263000, 80328750, 85684000, 107105000, 128526000, 160657500, 214210000, 257052000, 321315000, 428420000, 642630000, 1285260000]

約数ペア:

[(1, 1285260000), (2, 642630000), (3, 428420000), (4, 321315000), (5, 257052000), (6, 214210000), (8, 160657500), (10, 128526000), (12, 107105000), (15, 85684000), (16, 80328750), (20, 64263000), (24, 53552500), (25, 51410400), (30, 42842000), (31, 41460000), (32, 40164375), (40, 32131500), (48, 26776250), (50, 25705200), (60, 21421000), (62, 20730000), (75, 17136800), (80, 16065750), (93, 13820000), (96, 13388125), (100, 12852600), (120, 10710500), (124, 10365000), (125, 10282080), (150, 8568400), (155, 8292000), (160, 8032875), (186, 6910000), (200, 6426300), (240, 5355250), (248, 5182500), (250, 5141040), (300, 4284200), (310, 4146000), (372, 3455000), (375, 3427360), (400, 3213150), (465, 2764000), (480, 2677625), (496, 2591250), (500, 2570520), (600, 2142100), (620, 2073000), (625, 2056416), (691, 1860000), (744, 1727500), (750, 1713680), (775, 1658400), (800, 1606575), (930, 1382000), (992, 1295625), (1000, 1285260), (1200, 1071050), (1240, 1036500), (1250, 1028208), (1382, 930000), (1488, 863750), (1500, 856840), (1550, 829200), (1860, 691000), (1875, 685472), (2000, 642630), (2073, 620000), (2325, 552800), (2400, 535525), (2480, 518250), (2500, 514104), (2764, 465000), (2976, 431875), (3000, 428420), (3100, 414600), (3455, 372000), (3720, 345500), (3750, 342736), (3875, 331680), (4000, 321315), (4146, 310000), (4650, 276400), (4960, 259125), (5000, 257052), (5528, 232500), (6000, 214210), (6200, 207300), (6910, 186000), (7440, 172750), (7500, 171368), (7750, 165840), (8292, 155000), (9300, 138200), (10000, 128526), (10365, 124000), (11056, 116250), (11625, 110560), (12000, 107105), (12400, 103650), (13820, 93000), (14880, 86375), (15000, 85684), (15500, 82920), (16584, 77500), (17275, 74400), (18600, 69100), (19375, 66336), (20000, 64263), (20730, 62000), (21421, 60000), (22112, 58125), (23250, 55280), (24800, 51825), (27640, 46500), (30000, 42842), (31000, 41460), (33168, 38750), (34550, 37200)]