999975680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 288

約数和(自身を含む): 2825625600

約数和(自身を除く): 1825649920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 32, 40, 44, 55, 58, 62, 64, 79, 80, 88, 110, 116, 124, 128, 145, 155, 158, 160, 176, 220, 232, 248, 256, 290, 310, 316, 319, 320, 341, 352, 395, 440, 464, 496, 580, 620, 632, 638, 640, 682, 704, 790, 869, 880, 899, 928, 992, 1160, 1240, 1264, 1276, 1280, 1364, 1408, 1580, 1595, 1705, 1738, 1760, 1798, 1856, 1984, 2291, 2320, 2449, 2480, 2528, 2552, 2728, 2816, 3160, 3190, 3410, 3476, 3520, 3596, 3712, 3968, 4345, 4495, 4582, 4640, 4898, 4960, 5056, 5104, 5456, 6320, 6380, 6820, 6952, 7040, 7192, 7424, 7936, 8690, 8990, 9164, 9280, 9796, 9889, 9920, 10112, 10208, 10912, 11455, 12245, 12640, 12760, 13640, 13904, 14080, 14384, 17380, 17980, 18328, 18560, 19592, 19778, 19840, 20224, 20416, 21824, 22910, 24490, 25201, 25280, 25520, 26939, 27280, 27808, 28768, 34760, 35960, 36656, 37120, 39184, 39556, 39680, 40832, 43648, 45820, 48980, 49445, 50402, 50560, 51040, 53878, 54560, 55616, 57536, 69520, 71021, 71920, 73312, 78368, 79112, 81664, 87296, 91640, 97960, 98890, 100804, 101120, 102080, 107756, 109120, 111232, 115072, 126005, 134695, 139040, 142042, 143840, 146624, 156736, 158224, 183280, 195920, 197780, 201608, 204160, 215512, 218240, 222464, 230144, 252010, 269390, 278080, 284084, 287680, 293248, 313472, 316448, 355105, 366560, 391840, 395560, 403216, 408320, 431024, 436480, 504020, 538780, 556160, 568168, 575360, 586496, 626944, 632896, 710210, 733120, 781231, 783680, 791120, 806432, 862048, 1008040, 1077560, 1112320, 1136336, 1150720, 1265792, 1420420, 1466240, 1562462, 1567360, 1582240, 1612864, 1724096, 2016080, 2155120, 2272672, 2531584, 2840840, 2932480, 3124924, 3134720, 3164480, 3225728, 3448192, 3906155, 4032160, 4310240, 4545344, 5681680, 6249848, 6328960, 6451456, 6896384, 7812310, 8064320, 8620480, 9090688, 11363360, 12499696, 12657920, 15624620, 16128640, 17240960, 18181376, 22726720, 24999392, 31249240, 32257280, 34481920, 45453440, 49998784, 62498480, 90906880, 99997568, 124996960, 199995136, 249993920, 499987840, 999975680]

約数ペア:

[(1, 999975680), (2, 499987840), (4, 249993920), (5, 199995136), (8, 124996960), (10, 99997568), (11, 90906880), (16, 62498480), (20, 49998784), (22, 45453440), (29, 34481920), (31, 32257280), (32, 31249240), (40, 24999392), (44, 22726720), (55, 18181376), (58, 17240960), (62, 16128640), (64, 15624620), (79, 12657920), (80, 12499696), (88, 11363360), (110, 9090688), (116, 8620480), (124, 8064320), (128, 7812310), (145, 6896384), (155, 6451456), (158, 6328960), (160, 6249848), (176, 5681680), (220, 4545344), (232, 4310240), (248, 4032160), (256, 3906155), (290, 3448192), (310, 3225728), (316, 3164480), (319, 3134720), (320, 3124924), (341, 2932480), (352, 2840840), (395, 2531584), (440, 2272672), (464, 2155120), (496, 2016080), (580, 1724096), (620, 1612864), (632, 1582240), (638, 1567360), (640, 1562462), (682, 1466240), (704, 1420420), (790, 1265792), (869, 1150720), (880, 1136336), (899, 1112320), (928, 1077560), (992, 1008040), (1160, 862048), (1240, 806432), (1264, 791120), (1276, 783680), (1280, 781231), (1364, 733120), (1408, 710210), (1580, 632896), (1595, 626944), (1705, 586496), (1738, 575360), (1760, 568168), (1798, 556160), (1856, 538780), (1984, 504020), (2291, 436480), (2320, 431024), (2449, 408320), (2480, 403216), (2528, 395560), (2552, 391840), (2728, 366560), (2816, 355105), (3160, 316448), (3190, 313472), (3410, 293248), (3476, 287680), (3520, 284084), (3596, 278080), (3712, 269390), (3968, 252010), (4345, 230144), (4495, 222464), (4582, 218240), (4640, 215512), (4898, 204160), (4960, 201608), (5056, 197780), (5104, 195920), (5456, 183280), (6320, 158224), (6380, 156736), (6820, 146624), (6952, 143840), (7040, 142042), (7192, 139040), (7424, 134695), (7936, 126005), (8690, 115072), (8990, 111232), (9164, 109120), (9280, 107756), (9796, 102080), (9889, 101120), (9920, 100804), (10112, 98890), (10208, 97960), (10912, 91640), (11455, 87296), (12245, 81664), (12640, 79112), (12760, 78368), (13640, 73312), (13904, 71920), (14080, 71021), (14384, 69520), (17380, 57536), (17980, 55616), (18328, 54560), (18560, 53878), (19592, 51040), (19778, 50560), (19840, 50402), (20224, 49445), (20416, 48980), (21824, 45820), (22910, 43648), (24490, 40832), (25201, 39680), (25280, 39556), (25520, 39184), (26939, 37120), (27280, 36656), (27808, 35960), (28768, 34760)]