268061440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 692278272

約数和(自身を除く): 424216832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 97, 127, 128, 136, 160, 170, 194, 254, 256, 272, 320, 340, 388, 485, 508, 544, 635, 640, 680, 776, 970, 1016, 1088, 1270, 1280, 1360, 1552, 1649, 1940, 2032, 2159, 2176, 2540, 2720, 3104, 3298, 3880, 4064, 4318, 4352, 5080, 5440, 6208, 6596, 7760, 8128, 8245, 8636, 10160, 10795, 10880, 12319, 12416, 13192, 15520, 16256, 16490, 17272, 20320, 21590, 21760, 24638, 24832, 26384, 31040, 32512, 32980, 34544, 40640, 43180, 49276, 52768, 61595, 62080, 65960, 69088, 81280, 86360, 98552, 105536, 123190, 124160, 131920, 138176, 162560, 172720, 197104, 209423, 211072, 246380, 263840, 276352, 345440, 394208, 418846, 422144, 492760, 527680, 552704, 690880, 788416, 837692, 985520, 1047115, 1055360, 1381760, 1576832, 1675384, 1971040, 2094230, 2110720, 2763520, 3153664, 3350768, 3942080, 4188460, 6701536, 7884160, 8376920, 13403072, 15768320, 16753840, 26806144, 33507680, 53612288, 67015360, 134030720, 268061440]

約数ペア:

[(1, 268061440), (2, 134030720), (4, 67015360), (5, 53612288), (8, 33507680), (10, 26806144), (16, 16753840), (17, 15768320), (20, 13403072), (32, 8376920), (34, 7884160), (40, 6701536), (64, 4188460), (68, 3942080), (80, 3350768), (85, 3153664), (97, 2763520), (127, 2110720), (128, 2094230), (136, 1971040), (160, 1675384), (170, 1576832), (194, 1381760), (254, 1055360), (256, 1047115), (272, 985520), (320, 837692), (340, 788416), (388, 690880), (485, 552704), (508, 527680), (544, 492760), (635, 422144), (640, 418846), (680, 394208), (776, 345440), (970, 276352), (1016, 263840), (1088, 246380), (1270, 211072), (1280, 209423), (1360, 197104), (1552, 172720), (1649, 162560), (1940, 138176), (2032, 131920), (2159, 124160), (2176, 123190), (2540, 105536), (2720, 98552), (3104, 86360), (3298, 81280), (3880, 69088), (4064, 65960), (4318, 62080), (4352, 61595), (5080, 52768), (5440, 49276), (6208, 43180), (6596, 40640), (7760, 34544), (8128, 32980), (8245, 32512), (8636, 31040), (10160, 26384), (10795, 24832), (10880, 24638), (12319, 21760), (12416, 21590), (13192, 20320), (15520, 17272), (16256, 16490)]