81662000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:356

約数の個数: 160

約数和(自身を含む): 238318080

約数和(自身を除く): 156656080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 125, 133, 140, 152, 175, 190, 200, 250, 266, 280, 304, 307, 350, 380, 400, 475, 500, 532, 560, 614, 665, 700, 760, 875, 950, 1000, 1064, 1228, 1330, 1400, 1520, 1535, 1750, 1900, 2000, 2128, 2149, 2375, 2456, 2660, 2800, 3070, 3325, 3500, 3800, 4298, 4750, 4912, 5320, 5833, 6140, 6650, 7000, 7600, 7675, 8596, 9500, 10640, 10745, 11666, 12280, 13300, 14000, 15350, 16625, 17192, 19000, 21490, 23332, 24560, 26600, 29165, 30700, 33250, 34384, 38000, 38375, 40831, 42980, 46664, 53200, 53725, 58330, 61400, 66500, 76750, 81662, 85960, 93328, 107450, 116660, 122800, 133000, 145825, 153500, 163324, 171920, 204155, 214900, 233320, 266000, 268625, 291650, 307000, 326648, 408310, 429800, 466640, 537250, 583300, 614000, 653296, 729125, 816620, 859600, 1020775, 1074500, 1166600, 1458250, 1633240, 2041550, 2149000, 2333200, 2916500, 3266480, 4083100, 4298000, 5103875, 5833000, 8166200, 10207750, 11666000, 16332400, 20415500, 40831000, 81662000]

約数ペア:

[(1, 81662000), (2, 40831000), (4, 20415500), (5, 16332400), (7, 11666000), (8, 10207750), (10, 8166200), (14, 5833000), (16, 5103875), (19, 4298000), (20, 4083100), (25, 3266480), (28, 2916500), (35, 2333200), (38, 2149000), (40, 2041550), (50, 1633240), (56, 1458250), (70, 1166600), (76, 1074500), (80, 1020775), (95, 859600), (100, 816620), (112, 729125), (125, 653296), (133, 614000), (140, 583300), (152, 537250), (175, 466640), (190, 429800), (200, 408310), (250, 326648), (266, 307000), (280, 291650), (304, 268625), (307, 266000), (350, 233320), (380, 214900), (400, 204155), (475, 171920), (500, 163324), (532, 153500), (560, 145825), (614, 133000), (665, 122800), (700, 116660), (760, 107450), (875, 93328), (950, 85960), (1000, 81662), (1064, 76750), (1228, 66500), (1330, 61400), (1400, 58330), (1520, 53725), (1535, 53200), (1750, 46664), (1900, 42980), (2000, 40831), (2128, 38375), (2149, 38000), (2375, 34384), (2456, 33250), (2660, 30700), (2800, 29165), (3070, 26600), (3325, 24560), (3500, 23332), (3800, 21490), (4298, 19000), (4750, 17192), (4912, 16625), (5320, 15350), (5833, 14000), (6140, 13300), (6650, 12280), (7000, 11666), (7600, 10745), (7675, 10640), (8596, 9500)]