18380272000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{37057}}^1$

素因数の和:37117

約数の個数: 128

約数和(自身を含む): 47173351680

約数和(自身を除く): 28793079680

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, 620, 640, 775, 800, 992, 1000, 1240, 1550, 1600, 1984, 2000, 2480, 3100, 3200, 3875, 3968, 4000, 4960, 6200, 7750, 8000, 9920, 12400, 15500, 16000, 19840, 24800, 31000, 37057, 49600, 62000, 74114, 99200, 124000, 148228, 185285, 248000, 296456, 370570, 496000, 592912, 741140, 926425, 1148767, 1185824, 1482280, 1852850, 2297534, 2371648, 2964560, 3705700, 4595068, 4632125, 4743296, 5743835, 5929120, 7411400, 9190136, 9264250, 11487670, 11858240, 14822800, 18380272, 18528500, 22975340, 23716480, 28719175, 29645600, 36760544, 37057000, 45950680, 57438350, 59291200, 73521088, 74114000, 91901360, 114876700, 118582400, 143595875, 147042176, 148228000, 183802720, 229753400, 287191750, 296456000, 367605440, 459506800, 574383500, 592912000, 735210880, 919013600, 1148767000, 1838027200, 2297534000, 3676054400, 4595068000, 9190136000, 18380272000]

約数ペア:

[(1, 18380272000), (2, 9190136000), (4, 4595068000), (5, 3676054400), (8, 2297534000), (10, 1838027200), (16, 1148767000), (20, 919013600), (25, 735210880), (31, 592912000), (32, 574383500), (40, 459506800), (50, 367605440), (62, 296456000), (64, 287191750), (80, 229753400), (100, 183802720), (124, 148228000), (125, 147042176), (128, 143595875), (155, 118582400), (160, 114876700), (200, 91901360), (248, 74114000), (250, 73521088), (310, 59291200), (320, 57438350), (400, 45950680), (496, 37057000), (500, 36760544), (620, 29645600), (640, 28719175), (775, 23716480), (800, 22975340), (992, 18528500), (1000, 18380272), (1240, 14822800), (1550, 11858240), (1600, 11487670), (1984, 9264250), (2000, 9190136), (2480, 7411400), (3100, 5929120), (3200, 5743835), (3875, 4743296), (3968, 4632125), (4000, 4595068), (4960, 3705700), (6200, 2964560), (7750, 2371648), (8000, 2297534), (9920, 1852850), (12400, 1482280), (15500, 1185824), (16000, 1148767), (19840, 926425), (24800, 741140), (31000, 592912), (37057, 496000), (49600, 370570), (62000, 296456), (74114, 248000), (99200, 185285), (124000, 148228)]