1661555280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1913}}^1$

素因数の和:1994

約数の個数: 320

約数和(自身を含む): 6561865728

約数和(自身を除く): 4900310448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 47, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 94, 105, 110, 112, 120, 132, 140, 141, 154, 165, 168, 176, 188, 210, 220, 231, 235, 240, 264, 280, 282, 308, 329, 330, 336, 376, 385, 420, 440, 462, 470, 517, 528, 560, 564, 616, 658, 660, 705, 752, 770, 840, 880, 924, 940, 987, 1034, 1128, 1155, 1232, 1316, 1320, 1410, 1540, 1551, 1645, 1680, 1848, 1880, 1913, 1974, 2068, 2256, 2310, 2585, 2632, 2640, 2820, 3080, 3102, 3290, 3619, 3696, 3760, 3826, 3948, 4136, 4620, 4935, 5170, 5264, 5640, 5739, 6160, 6204, 6580, 7238, 7652, 7755, 7896, 8272, 9240, 9565, 9870, 10340, 10857, 11280, 11478, 12408, 13160, 13391, 14476, 15304, 15510, 15792, 18095, 18480, 19130, 19740, 20680, 21043, 21714, 22956, 24816, 26320, 26782, 28695, 28952, 30608, 31020, 36190, 38260, 39480, 40173, 41360, 42086, 43428, 45912, 53564, 54285, 57390, 57904, 62040, 63129, 66955, 72380, 76520, 78960, 80346, 84172, 86856, 89911, 91824, 105215, 107128, 108570, 114780, 124080, 126258, 133910, 144760, 147301, 153040, 160692, 168344, 173712, 179822, 200865, 210430, 214256, 217140, 229560, 252516, 267820, 269733, 289520, 294602, 315645, 321384, 336688, 359644, 401730, 420860, 434280, 441903, 449555, 459120, 505032, 535640, 539466, 589204, 629377, 631290, 642768, 719288, 736505, 803460, 841720, 868560, 883806, 899110, 989021, 1010064, 1071280, 1078932, 1178408, 1258754, 1262580, 1348665, 1438576, 1473010, 1606920, 1683440, 1767612, 1798220, 1888131, 1978042, 2157864, 2209515, 2356816, 2517508, 2525160, 2697330, 2946020, 2967063, 3146885, 3213840, 3535224, 3596440, 3776262, 3956084, 4315728, 4419030, 4945105, 5035016, 5050320, 5394660, 5892040, 5934126, 6293770, 6923147, 7070448, 7192880, 7552524, 7912168, 8838060, 9440655, 9890210, 10070032, 10789320, 11784080, 11868252, 12587540, 13846294, 14835315, 15105048, 15824336, 17676120, 18881310, 19780420, 20769441, 21578640, 23736504, 25175080, 27692588, 29670630, 30210096, 34615735, 35352240, 37762620, 39560840, 41538882, 47473008, 50350160, 55385176, 59341260, 69231470, 75525240, 79121680, 83077764, 103847205, 110770352, 118682520, 138462940, 151050480, 166155528, 207694410, 237365040, 276925880, 332311056, 415388820, 553851760, 830777640, 1661555280]

約数ペア:

[(1, 1661555280), (2, 830777640), (3, 553851760), (4, 415388820), (5, 332311056), (6, 276925880), (7, 237365040), (8, 207694410), (10, 166155528), (11, 151050480), (12, 138462940), (14, 118682520), (15, 110770352), (16, 103847205), (20, 83077764), (21, 79121680), (22, 75525240), (24, 69231470), (28, 59341260), (30, 55385176), (33, 50350160), (35, 47473008), (40, 41538882), (42, 39560840), (44, 37762620), (47, 35352240), (48, 34615735), (55, 30210096), (56, 29670630), (60, 27692588), (66, 25175080), (70, 23736504), (77, 21578640), (80, 20769441), (84, 19780420), (88, 18881310), (94, 17676120), (105, 15824336), (110, 15105048), (112, 14835315), (120, 13846294), (132, 12587540), (140, 11868252), (141, 11784080), (154, 10789320), (165, 10070032), (168, 9890210), (176, 9440655), (188, 8838060), (210, 7912168), (220, 7552524), (231, 7192880), (235, 7070448), (240, 6923147), (264, 6293770), (280, 5934126), (282, 5892040), (308, 5394660), (329, 5050320), (330, 5035016), (336, 4945105), (376, 4419030), (385, 4315728), (420, 3956084), (440, 3776262), (462, 3596440), (470, 3535224), (517, 3213840), (528, 3146885), (560, 2967063), (564, 2946020), (616, 2697330), (658, 2525160), (660, 2517508), (705, 2356816), (752, 2209515), (770, 2157864), (840, 1978042), (880, 1888131), (924, 1798220), (940, 1767612), (987, 1683440), (1034, 1606920), (1128, 1473010), (1155, 1438576), (1232, 1348665), (1316, 1262580), (1320, 1258754), (1410, 1178408), (1540, 1078932), (1551, 1071280), (1645, 1010064), (1680, 989021), (1848, 899110), (1880, 883806), (1913, 868560), (1974, 841720), (2068, 803460), (2256, 736505), (2310, 719288), (2585, 642768), (2632, 631290), (2640, 629377), (2820, 589204), (3080, 539466), (3102, 535640), (3290, 505032), (3619, 459120), (3696, 449555), (3760, 441903), (3826, 434280), (3948, 420860), (4136, 401730), (4620, 359644), (4935, 336688), (5170, 321384), (5264, 315645), (5640, 294602), (5739, 289520), (6160, 269733), (6204, 267820), (6580, 252516), (7238, 229560), (7652, 217140), (7755, 214256), (7896, 210430), (8272, 200865), (9240, 179822), (9565, 173712), (9870, 168344), (10340, 160692), (10857, 153040), (11280, 147301), (11478, 144760), (12408, 133910), (13160, 126258), (13391, 124080), (14476, 114780), (15304, 108570), (15510, 107128), (15792, 105215), (18095, 91824), (18480, 89911), (19130, 86856), (19740, 84172), (20680, 80346), (21043, 78960), (21714, 76520), (22956, 72380), (24816, 66955), (26320, 63129), (26782, 62040), (28695, 57904), (28952, 57390), (30608, 54285), (31020, 53564), (36190, 45912), (38260, 43428), (39480, 42086), (40173, 41360)]