181813760

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 160

約数和(自身を含む): 471398400

約数和(自身を除く): 289584640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 79, 80, 116, 124, 128, 145, 155, 158, 160, 232, 248, 256, 290, 310, 316, 320, 395, 464, 496, 512, 580, 620, 632, 640, 790, 899, 928, 992, 1160, 1240, 1264, 1280, 1580, 1798, 1856, 1984, 2291, 2320, 2449, 2480, 2528, 2560, 3160, 3596, 3712, 3968, 4495, 4582, 4640, 4898, 4960, 5056, 6320, 7192, 7424, 7936, 8990, 9164, 9280, 9796, 9920, 10112, 11455, 12245, 12640, 14384, 14848, 15872, 17980, 18328, 18560, 19592, 19840, 20224, 22910, 24490, 25280, 28768, 35960, 36656, 37120, 39184, 39680, 40448, 45820, 48980, 50560, 57536, 71021, 71920, 73312, 74240, 78368, 79360, 91640, 97960, 101120, 115072, 142042, 143840, 146624, 156736, 183280, 195920, 202240, 230144, 284084, 287680, 293248, 313472, 355105, 366560, 391840, 460288, 568168, 575360, 586496, 626944, 710210, 733120, 783680, 1136336, 1150720, 1172992, 1253888, 1420420, 1466240, 1567360, 2272672, 2301440, 2840840, 2932480, 3134720, 4545344, 5681680, 5864960, 6269440, 9090688, 11363360, 18181376, 22726720, 36362752, 45453440, 90906880, 181813760]

約数ペア:

[(1, 181813760), (2, 90906880), (4, 45453440), (5, 36362752), (8, 22726720), (10, 18181376), (16, 11363360), (20, 9090688), (29, 6269440), (31, 5864960), (32, 5681680), (40, 4545344), (58, 3134720), (62, 2932480), (64, 2840840), (79, 2301440), (80, 2272672), (116, 1567360), (124, 1466240), (128, 1420420), (145, 1253888), (155, 1172992), (158, 1150720), (160, 1136336), (232, 783680), (248, 733120), (256, 710210), (290, 626944), (310, 586496), (316, 575360), (320, 568168), (395, 460288), (464, 391840), (496, 366560), (512, 355105), (580, 313472), (620, 293248), (632, 287680), (640, 284084), (790, 230144), (899, 202240), (928, 195920), (992, 183280), (1160, 156736), (1240, 146624), (1264, 143840), (1280, 142042), (1580, 115072), (1798, 101120), (1856, 97960), (1984, 91640), (2291, 79360), (2320, 78368), (2449, 74240), (2480, 73312), (2528, 71920), (2560, 71021), (3160, 57536), (3596, 50560), (3712, 48980), (3968, 45820), (4495, 40448), (4582, 39680), (4640, 39184), (4898, 37120), (4960, 36656), (5056, 35960), (6320, 28768), (7192, 25280), (7424, 24490), (7936, 22910), (8990, 20224), (9164, 19840), (9280, 19592), (9796, 18560), (9920, 18328), (10112, 17980), (11455, 15872), (12245, 14848), (12640, 14384)]