80437500

素因数分解:

$2^2\times 3^2\times 5^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:64

約数の個数: 252

約数和(自身を含む): 298589928

約数和(自身を除く): 218152428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 25, 26, 30, 33, 36, 39, 44, 45, 50, 52, 55, 60, 65, 66, 75, 78, 90, 99, 100, 110, 117, 125, 130, 132, 143, 150, 156, 165, 180, 195, 198, 220, 225, 234, 250, 260, 275, 286, 300, 325, 330, 375, 390, 396, 429, 450, 468, 495, 500, 550, 572, 585, 625, 650, 660, 715, 750, 780, 825, 858, 900, 975, 990, 1100, 1125, 1170, 1250, 1287, 1300, 1375, 1430, 1500, 1625, 1650, 1716, 1875, 1950, 1980, 2145, 2250, 2340, 2475, 2500, 2574, 2750, 2860, 2925, 3125, 3250, 3300, 3575, 3750, 3900, 4125, 4290, 4500, 4875, 4950, 5148, 5500, 5625, 5850, 6250, 6435, 6500, 6875, 7150, 7500, 8125, 8250, 8580, 9375, 9750, 9900, 10725, 11250, 11700, 12375, 12500, 12870, 13750, 14300, 14625, 15625, 16250, 16500, 17875, 18750, 19500, 20625, 21450, 22500, 24375, 24750, 25740, 27500, 28125, 29250, 31250, 32175, 32500, 34375, 35750, 37500, 40625, 41250, 42900, 46875, 48750, 49500, 53625, 56250, 58500, 61875, 62500, 64350, 68750, 71500, 73125, 81250, 82500, 89375, 93750, 97500, 103125, 107250, 112500, 121875, 123750, 128700, 137500, 140625, 146250, 160875, 162500, 171875, 178750, 187500, 203125, 206250, 214500, 243750, 247500, 268125, 281250, 292500, 309375, 321750, 343750, 357500, 365625, 406250, 412500, 446875, 487500, 515625, 536250, 562500, 609375, 618750, 643500, 687500, 731250, 804375, 812500, 893750, 1031250, 1072500, 1218750, 1237500, 1340625, 1462500, 1546875, 1608750, 1787500, 1828125, 2062500, 2234375, 2437500, 2681250, 3093750, 3217500, 3656250, 4021875, 4468750, 5362500, 6187500, 6703125, 7312500, 8043750, 8937500, 13406250, 16087500, 20109375, 26812500, 40218750, 80437500]

約数ペア:

[(1, 80437500), (2, 40218750), (3, 26812500), (4, 20109375), (5, 16087500), (6, 13406250), (9, 8937500), (10, 8043750), (11, 7312500), (12, 6703125), (13, 6187500), (15, 5362500), (18, 4468750), (20, 4021875), (22, 3656250), (25, 3217500), (26, 3093750), (30, 2681250), (33, 2437500), (36, 2234375), (39, 2062500), (44, 1828125), (45, 1787500), (50, 1608750), (52, 1546875), (55, 1462500), (60, 1340625), (65, 1237500), (66, 1218750), (75, 1072500), (78, 1031250), (90, 893750), (99, 812500), (100, 804375), (110, 731250), (117, 687500), (125, 643500), (130, 618750), (132, 609375), (143, 562500), (150, 536250), (156, 515625), (165, 487500), (180, 446875), (195, 412500), (198, 406250), (220, 365625), (225, 357500), (234, 343750), (250, 321750), (260, 309375), (275, 292500), (286, 281250), (300, 268125), (325, 247500), (330, 243750), (375, 214500), (390, 206250), (396, 203125), (429, 187500), (450, 178750), (468, 171875), (495, 162500), (500, 160875), (550, 146250), (572, 140625), (585, 137500), (625, 128700), (650, 123750), (660, 121875), (715, 112500), (750, 107250), (780, 103125), (825, 97500), (858, 93750), (900, 89375), (975, 82500), (990, 81250), (1100, 73125), (1125, 71500), (1170, 68750), (1250, 64350), (1287, 62500), (1300, 61875), (1375, 58500), (1430, 56250), (1500, 53625), (1625, 49500), (1650, 48750), (1716, 46875), (1875, 42900), (1950, 41250), (1980, 40625), (2145, 37500), (2250, 35750), (2340, 34375), (2475, 32500), (2500, 32175), (2574, 31250), (2750, 29250), (2860, 28125), (2925, 27500), (3125, 25740), (3250, 24750), (3300, 24375), (3575, 22500), (3750, 21450), (3900, 20625), (4125, 19500), (4290, 18750), (4500, 17875), (4875, 16500), (4950, 16250), (5148, 15625), (5500, 14625), (5625, 14300), (5850, 13750), (6250, 12870), (6435, 12500), (6500, 12375), (6875, 11700), (7150, 11250), (7500, 10725), (8125, 9900), (8250, 9750), (8580, 9375)]