160456000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 112

約数和(自身を含む): 410821632

約数和(自身を除く): 250365632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 647, 775, 800, 992, 1000, 1240, 1294, 1550, 1600, 1984, 2000, 2480, 2588, 3100, 3235, 3875, 4000, 4960, 5176, 6200, 6470, 7750, 8000, 9920, 10352, 12400, 12940, 15500, 16175, 20057, 20704, 24800, 25880, 31000, 32350, 40114, 41408, 49600, 51760, 62000, 64700, 80228, 80875, 100285, 103520, 124000, 129400, 160456, 161750, 200570, 207040, 248000, 258800, 320912, 323500, 401140, 501425, 517600, 641824, 647000, 802280, 1002850, 1035200, 1283648, 1294000, 1604560, 2005700, 2507125, 2588000, 3209120, 4011400, 5014250, 5176000, 6418240, 8022800, 10028500, 16045600, 20057000, 32091200, 40114000, 80228000, 160456000]

約数ペア:

[(1, 160456000), (2, 80228000), (4, 40114000), (5, 32091200), (8, 20057000), (10, 16045600), (16, 10028500), (20, 8022800), (25, 6418240), (31, 5176000), (32, 5014250), (40, 4011400), (50, 3209120), (62, 2588000), (64, 2507125), (80, 2005700), (100, 1604560), (124, 1294000), (125, 1283648), (155, 1035200), (160, 1002850), (200, 802280), (248, 647000), (250, 641824), (310, 517600), (320, 501425), (400, 401140), (496, 323500), (500, 320912), (620, 258800), (647, 248000), (775, 207040), (800, 200570), (992, 161750), (1000, 160456), (1240, 129400), (1294, 124000), (1550, 103520), (1600, 100285), (1984, 80875), (2000, 80228), (2480, 64700), (2588, 62000), (3100, 51760), (3235, 49600), (3875, 41408), (4000, 40114), (4960, 32350), (5176, 31000), (6200, 25880), (6470, 24800), (7750, 20704), (8000, 20057), (9920, 16175), (10352, 15500), (12400, 12940)]