164062500

素因数分解:

$2^2\times 3^1\times 5^9\times 7^1$

素因数の和:59

約数の個数: 120

約数和(自身を含む): 546874944

約数和(自身を除く): 382812444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 625, 700, 750, 875, 1050, 1250, 1500, 1750, 1875, 2100, 2500, 2625, 3125, 3500, 3750, 4375, 5250, 6250, 7500, 8750, 9375, 10500, 12500, 13125, 15625, 17500, 18750, 21875, 26250, 31250, 37500, 43750, 46875, 52500, 62500, 65625, 78125, 87500, 93750, 109375, 131250, 156250, 187500, 218750, 234375, 262500, 312500, 328125, 390625, 437500, 468750, 546875, 656250, 781250, 937500, 1093750, 1171875, 1312500, 1562500, 1640625, 1953125, 2187500, 2343750, 2734375, 3281250, 3906250, 4687500, 5468750, 5859375, 6562500, 7812500, 8203125, 10937500, 11718750, 13671875, 16406250, 23437500, 27343750, 32812500, 41015625, 54687500, 82031250, 164062500]

約数ペア:

[(1, 164062500), (2, 82031250), (3, 54687500), (4, 41015625), (5, 32812500), (6, 27343750), (7, 23437500), (10, 16406250), (12, 13671875), (14, 11718750), (15, 10937500), (20, 8203125), (21, 7812500), (25, 6562500), (28, 5859375), (30, 5468750), (35, 4687500), (42, 3906250), (50, 3281250), (60, 2734375), (70, 2343750), (75, 2187500), (84, 1953125), (100, 1640625), (105, 1562500), (125, 1312500), (140, 1171875), (150, 1093750), (175, 937500), (210, 781250), (250, 656250), (300, 546875), (350, 468750), (375, 437500), (420, 390625), (500, 328125), (525, 312500), (625, 262500), (700, 234375), (750, 218750), (875, 187500), (1050, 156250), (1250, 131250), (1500, 109375), (1750, 93750), (1875, 87500), (2100, 78125), (2500, 65625), (2625, 62500), (3125, 52500), (3500, 46875), (3750, 43750), (4375, 37500), (5250, 31250), (6250, 26250), (7500, 21875), (8750, 18750), (9375, 17500), (10500, 15625), (12500, 13125)]