1790381440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 4594332960

約数和(自身を除く): 2803951520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 71, 80, 82, 124, 128, 142, 155, 160, 164, 205, 248, 284, 310, 320, 328, 355, 410, 496, 568, 620, 640, 656, 710, 820, 961, 992, 1136, 1240, 1271, 1312, 1420, 1640, 1922, 1984, 2201, 2272, 2480, 2542, 2624, 2840, 2911, 3280, 3844, 3968, 4402, 4544, 4805, 4960, 5084, 5248, 5680, 5822, 6355, 6560, 7688, 8804, 9088, 9610, 9920, 10168, 11005, 11360, 11644, 12710, 13120, 14555, 15376, 17608, 19220, 19840, 20336, 22010, 22720, 23288, 25420, 26240, 29110, 30752, 35216, 38440, 39401, 40672, 44020, 45440, 46576, 50840, 58220, 61504, 68231, 70432, 76880, 78802, 81344, 88040, 90241, 93152, 101680, 116440, 123008, 136462, 140864, 153760, 157604, 162688, 176080, 180482, 186304, 197005, 203360, 232880, 272924, 281728, 307520, 315208, 341155, 352160, 360964, 372608, 394010, 406720, 451205, 465760, 545848, 615040, 630416, 682310, 704320, 721928, 788020, 813440, 902410, 931520, 1091696, 1260832, 1364620, 1408640, 1443856, 1576040, 1804820, 1863040, 2183392, 2521664, 2729240, 2797471, 2887712, 3152080, 3609640, 4366784, 5043328, 5458480, 5594942, 5775424, 6304160, 7219280, 8733568, 10916960, 11189884, 11550848, 12608320, 13987355, 14438560, 21833920, 22379768, 25216640, 27974710, 28877120, 43667840, 44759536, 55949420, 57754240, 89519072, 111898840, 179038144, 223797680, 358076288, 447595360, 895190720, 1790381440]

約数ペア:

[(1, 1790381440), (2, 895190720), (4, 447595360), (5, 358076288), (8, 223797680), (10, 179038144), (16, 111898840), (20, 89519072), (31, 57754240), (32, 55949420), (40, 44759536), (41, 43667840), (62, 28877120), (64, 27974710), (71, 25216640), (80, 22379768), (82, 21833920), (124, 14438560), (128, 13987355), (142, 12608320), (155, 11550848), (160, 11189884), (164, 10916960), (205, 8733568), (248, 7219280), (284, 6304160), (310, 5775424), (320, 5594942), (328, 5458480), (355, 5043328), (410, 4366784), (496, 3609640), (568, 3152080), (620, 2887712), (640, 2797471), (656, 2729240), (710, 2521664), (820, 2183392), (961, 1863040), (992, 1804820), (1136, 1576040), (1240, 1443856), (1271, 1408640), (1312, 1364620), (1420, 1260832), (1640, 1091696), (1922, 931520), (1984, 902410), (2201, 813440), (2272, 788020), (2480, 721928), (2542, 704320), (2624, 682310), (2840, 630416), (2911, 615040), (3280, 545848), (3844, 465760), (3968, 451205), (4402, 406720), (4544, 394010), (4805, 372608), (4960, 360964), (5084, 352160), (5248, 341155), (5680, 315208), (5822, 307520), (6355, 281728), (6560, 272924), (7688, 232880), (8804, 203360), (9088, 197005), (9610, 186304), (9920, 180482), (10168, 176080), (11005, 162688), (11360, 157604), (11644, 153760), (12710, 140864), (13120, 136462), (14555, 123008), (15376, 116440), (17608, 101680), (19220, 93152), (19840, 90241), (20336, 88040), (22010, 81344), (22720, 78802), (23288, 76880), (25420, 70432), (26240, 68231), (29110, 61504), (30752, 58220), (35216, 50840), (38440, 46576), (39401, 45440), (40672, 44020)]