217748960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 192

約数和(自身を含む): 625895424

約数和(自身を除く): 408146464

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 160, 176, 208, 220, 248, 260, 286, 307, 310, 341, 352, 403, 416, 440, 496, 520, 572, 614, 620, 682, 715, 806, 880, 992, 1040, 1144, 1228, 1240, 1364, 1430, 1535, 1612, 1705, 1760, 2015, 2080, 2288, 2456, 2480, 2728, 2860, 3070, 3224, 3377, 3410, 3991, 4030, 4433, 4576, 4912, 4960, 5456, 5720, 6140, 6448, 6754, 6820, 7982, 8060, 8866, 9517, 9824, 10912, 11440, 12280, 12896, 13508, 13640, 15964, 16120, 16885, 17732, 19034, 19955, 22165, 22880, 24560, 27016, 27280, 31928, 32240, 33770, 35464, 38068, 39910, 43901, 44330, 47585, 49120, 54032, 54560, 63856, 64480, 67540, 70928, 76136, 79820, 87802, 88660, 95170, 104687, 108064, 123721, 127712, 135080, 141856, 152272, 159640, 175604, 177320, 190340, 209374, 219505, 247442, 270160, 304544, 319280, 351208, 354640, 380680, 418748, 439010, 494884, 523435, 540320, 618605, 638560, 702416, 709280, 761360, 837496, 878020, 989768, 1046870, 1237210, 1360931, 1404832, 1522720, 1674992, 1756040, 1979536, 2093740, 2474420, 2721862, 3349984, 3512080, 3959072, 4187480, 4948840, 5443724, 6804655, 7024160, 8374960, 9897680, 10887448, 13609310, 16749920, 19795360, 21774896, 27218620, 43549792, 54437240, 108874480, 217748960]

約数ペア:

[(1, 217748960), (2, 108874480), (4, 54437240), (5, 43549792), (8, 27218620), (10, 21774896), (11, 19795360), (13, 16749920), (16, 13609310), (20, 10887448), (22, 9897680), (26, 8374960), (31, 7024160), (32, 6804655), (40, 5443724), (44, 4948840), (52, 4187480), (55, 3959072), (62, 3512080), (65, 3349984), (80, 2721862), (88, 2474420), (104, 2093740), (110, 1979536), (124, 1756040), (130, 1674992), (143, 1522720), (155, 1404832), (160, 1360931), (176, 1237210), (208, 1046870), (220, 989768), (248, 878020), (260, 837496), (286, 761360), (307, 709280), (310, 702416), (341, 638560), (352, 618605), (403, 540320), (416, 523435), (440, 494884), (496, 439010), (520, 418748), (572, 380680), (614, 354640), (620, 351208), (682, 319280), (715, 304544), (806, 270160), (880, 247442), (992, 219505), (1040, 209374), (1144, 190340), (1228, 177320), (1240, 175604), (1364, 159640), (1430, 152272), (1535, 141856), (1612, 135080), (1705, 127712), (1760, 123721), (2015, 108064), (2080, 104687), (2288, 95170), (2456, 88660), (2480, 87802), (2728, 79820), (2860, 76136), (3070, 70928), (3224, 67540), (3377, 64480), (3410, 63856), (3991, 54560), (4030, 54032), (4433, 49120), (4576, 47585), (4912, 44330), (4960, 43901), (5456, 39910), (5720, 38068), (6140, 35464), (6448, 33770), (6754, 32240), (6820, 31928), (7982, 27280), (8060, 27016), (8866, 24560), (9517, 22880), (9824, 22165), (10912, 19955), (11440, 19034), (12280, 17732), (12896, 16885), (13508, 16120), (13640, 15964)]