1490480000

素因数分解:

$2^7\times 5^4\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:666

約数の個数: 160

約数和(自身を含む): 3836521920

約数和(自身を除く): 2346041920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 601, 620, 625, 640, 775, 800, 992, 1000, 1202, 1240, 1250, 1550, 1600, 1984, 2000, 2404, 2480, 2500, 3005, 3100, 3200, 3875, 3968, 4000, 4808, 4960, 5000, 6010, 6200, 7750, 8000, 9616, 9920, 10000, 12020, 12400, 15025, 15500, 16000, 18631, 19232, 19375, 19840, 20000, 24040, 24800, 30050, 31000, 37262, 38464, 38750, 40000, 48080, 49600, 60100, 62000, 74524, 75125, 76928, 77500, 80000, 93155, 96160, 99200, 120200, 124000, 149048, 150250, 155000, 186310, 192320, 240400, 248000, 298096, 300500, 310000, 372620, 375625, 384640, 465775, 480800, 496000, 596192, 601000, 620000, 745240, 751250, 931550, 961600, 1192384, 1202000, 1240000, 1490480, 1502500, 1863100, 1923200, 2328875, 2384768, 2404000, 2480000, 2980960, 3005000, 3726200, 4657750, 4808000, 5961920, 6010000, 7452400, 9315500, 9616000, 11644375, 11923840, 12020000, 14904800, 18631000, 23288750, 24040000, 29809600, 37262000, 46577500, 48080000, 59619200, 74524000, 93155000, 149048000, 186310000, 298096000, 372620000, 745240000, 1490480000]

約数ペア:

[(1, 1490480000), (2, 745240000), (4, 372620000), (5, 298096000), (8, 186310000), (10, 149048000), (16, 93155000), (20, 74524000), (25, 59619200), (31, 48080000), (32, 46577500), (40, 37262000), (50, 29809600), (62, 24040000), (64, 23288750), (80, 18631000), (100, 14904800), (124, 12020000), (125, 11923840), (128, 11644375), (155, 9616000), (160, 9315500), (200, 7452400), (248, 6010000), (250, 5961920), (310, 4808000), (320, 4657750), (400, 3726200), (496, 3005000), (500, 2980960), (601, 2480000), (620, 2404000), (625, 2384768), (640, 2328875), (775, 1923200), (800, 1863100), (992, 1502500), (1000, 1490480), (1202, 1240000), (1240, 1202000), (1250, 1192384), (1550, 961600), (1600, 931550), (1984, 751250), (2000, 745240), (2404, 620000), (2480, 601000), (2500, 596192), (3005, 496000), (3100, 480800), (3200, 465775), (3875, 384640), (3968, 375625), (4000, 372620), (4808, 310000), (4960, 300500), (5000, 298096), (6010, 248000), (6200, 240400), (7750, 192320), (8000, 186310), (9616, 155000), (9920, 150250), (10000, 149048), (12020, 124000), (12400, 120200), (15025, 99200), (15500, 96160), (16000, 93155), (18631, 80000), (19232, 77500), (19375, 76928), (19840, 75125), (20000, 74524), (24040, 62000), (24800, 60100), (30050, 49600), (31000, 48080), (37262, 40000), (38464, 38750)]