1281036985984

素因数分解:

$2^7\times 7^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1\times {\mathrm{18121}}^1$

素因数の和:18706

約数の個数: 128

約数和(自身を含む): 2937695080320

約数和(自身を除く): 1656658094336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 257, 307, 448, 514, 614, 896, 1028, 1228, 1799, 2056, 2149, 2456, 3598, 4112, 4298, 4912, 7196, 8224, 8596, 9824, 14392, 16448, 17192, 18121, 19648, 28784, 32896, 34384, 36242, 39296, 57568, 68768, 72484, 78899, 115136, 126847, 137536, 144968, 157798, 230272, 253694, 275072, 289936, 315596, 507388, 552293, 579872, 631192, 1014776, 1104586, 1159744, 1262384, 2029552, 2209172, 2319488, 2524768, 4059104, 4418344, 4657097, 5049536, 5563147, 8118208, 8836688, 9314194, 10099072, 11126294, 16236416, 17673376, 18628388, 22252588, 32599679, 35346752, 37256776, 38942029, 44505176, 65199358, 70693504, 74513552, 77884058, 89010352, 130398716, 149027104, 155768116, 178020704, 260797432, 298054208, 311536232, 356041408, 521594864, 596108416, 623072464, 712082816, 1043189728, 1246144928, 1429728779, 2086379456, 2492289856, 2859457558, 4172758912, 4984579712, 5718915116, 10008101453, 11437830232, 20016202906, 22875660464, 40032405812, 45751320928, 80064811624, 91502641856, 160129623248, 183005283712, 320259246496, 640518492992, 1281036985984]

約数ペア:

[(1, 1281036985984), (2, 640518492992), (4, 320259246496), (7, 183005283712), (8, 160129623248), (14, 91502641856), (16, 80064811624), (28, 45751320928), (32, 40032405812), (56, 22875660464), (64, 20016202906), (112, 11437830232), (128, 10008101453), (224, 5718915116), (257, 4984579712), (307, 4172758912), (448, 2859457558), (514, 2492289856), (614, 2086379456), (896, 1429728779), (1028, 1246144928), (1228, 1043189728), (1799, 712082816), (2056, 623072464), (2149, 596108416), (2456, 521594864), (3598, 356041408), (4112, 311536232), (4298, 298054208), (4912, 260797432), (7196, 178020704), (8224, 155768116), (8596, 149027104), (9824, 130398716), (14392, 89010352), (16448, 77884058), (17192, 74513552), (18121, 70693504), (19648, 65199358), (28784, 44505176), (32896, 38942029), (34384, 37256776), (36242, 35346752), (39296, 32599679), (57568, 22252588), (68768, 18628388), (72484, 17673376), (78899, 16236416), (115136, 11126294), (126847, 10099072), (137536, 9314194), (144968, 8836688), (157798, 8118208), (230272, 5563147), (253694, 5049536), (275072, 4657097), (289936, 4418344), (315596, 4059104), (507388, 2524768), (552293, 2319488), (579872, 2209172), (631192, 2029552), (1014776, 1262384), (1104586, 1159744)]