30937500

素因数分解:

$2^2\times 3^2\times 5^7\times {\mathrm{11}}^1$

素因数の和:56

約数の個数: 144

約数和(自身を含む): 106640352

約数和(自身を除く): 75702852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 125, 132, 150, 165, 180, 198, 220, 225, 250, 275, 300, 330, 375, 396, 450, 495, 500, 550, 625, 660, 750, 825, 900, 990, 1100, 1125, 1250, 1375, 1500, 1650, 1875, 1980, 2250, 2475, 2500, 2750, 3125, 3300, 3750, 4125, 4500, 4950, 5500, 5625, 6250, 6875, 7500, 8250, 9375, 9900, 11250, 12375, 12500, 13750, 15625, 16500, 18750, 20625, 22500, 24750, 27500, 28125, 31250, 34375, 37500, 41250, 46875, 49500, 56250, 61875, 62500, 68750, 78125, 82500, 93750, 103125, 112500, 123750, 137500, 140625, 156250, 171875, 187500, 206250, 234375, 247500, 281250, 309375, 312500, 343750, 412500, 468750, 515625, 562500, 618750, 687500, 703125, 859375, 937500, 1031250, 1237500, 1406250, 1546875, 1718750, 2062500, 2578125, 2812500, 3093750, 3437500, 5156250, 6187500, 7734375, 10312500, 15468750, 30937500]

約数ペア:

[(1, 30937500), (2, 15468750), (3, 10312500), (4, 7734375), (5, 6187500), (6, 5156250), (9, 3437500), (10, 3093750), (11, 2812500), (12, 2578125), (15, 2062500), (18, 1718750), (20, 1546875), (22, 1406250), (25, 1237500), (30, 1031250), (33, 937500), (36, 859375), (44, 703125), (45, 687500), (50, 618750), (55, 562500), (60, 515625), (66, 468750), (75, 412500), (90, 343750), (99, 312500), (100, 309375), (110, 281250), (125, 247500), (132, 234375), (150, 206250), (165, 187500), (180, 171875), (198, 156250), (220, 140625), (225, 137500), (250, 123750), (275, 112500), (300, 103125), (330, 93750), (375, 82500), (396, 78125), (450, 68750), (495, 62500), (500, 61875), (550, 56250), (625, 49500), (660, 46875), (750, 41250), (825, 37500), (900, 34375), (990, 31250), (1100, 28125), (1125, 27500), (1250, 24750), (1375, 22500), (1500, 20625), (1650, 18750), (1875, 16500), (1980, 15625), (2250, 13750), (2475, 12500), (2500, 12375), (2750, 11250), (3125, 9900), (3300, 9375), (3750, 8250), (4125, 7500), (4500, 6875), (4950, 6250), (5500, 5625)]