26821920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 94711680

約数和(自身を除く): 67889760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 96, 102, 114, 120, 136, 152, 160, 170, 173, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 346, 380, 408, 456, 480, 510, 519, 544, 570, 608, 646, 680, 692, 760, 816, 865, 912, 969, 1020, 1038, 1140, 1292, 1360, 1384, 1520, 1615, 1632, 1730, 1824, 1938, 2040, 2076, 2280, 2584, 2595, 2720, 2768, 2941, 3040, 3230, 3287, 3460, 3876, 4080, 4152, 4560, 4845, 5168, 5190, 5536, 5882, 6460, 6574, 6920, 7752, 8160, 8304, 8823, 9120, 9690, 9861, 10336, 10380, 11764, 12920, 13148, 13840, 14705, 15504, 16435, 16608, 17646, 19380, 19722, 20760, 23528, 25840, 26296, 27680, 29410, 31008, 32870, 35292, 38760, 39444, 41520, 44115, 47056, 49305, 51680, 52592, 55879, 58820, 65740, 70584, 77520, 78888, 83040, 88230, 94112, 98610, 105184, 111758, 117640, 131480, 141168, 155040, 157776, 167637, 176460, 197220, 223516, 235280, 262960, 279395, 282336, 315552, 335274, 352920, 394440, 447032, 470560, 525920, 558790, 670548, 705840, 788880, 838185, 894064, 1117580, 1341096, 1411680, 1577760, 1676370, 1788128, 2235160, 2682192, 3352740, 4470320, 5364384, 6705480, 8940640, 13410960, 26821920]

約数ペア:

[(1, 26821920), (2, 13410960), (3, 8940640), (4, 6705480), (5, 5364384), (6, 4470320), (8, 3352740), (10, 2682192), (12, 2235160), (15, 1788128), (16, 1676370), (17, 1577760), (19, 1411680), (20, 1341096), (24, 1117580), (30, 894064), (32, 838185), (34, 788880), (38, 705840), (40, 670548), (48, 558790), (51, 525920), (57, 470560), (60, 447032), (68, 394440), (76, 352920), (80, 335274), (85, 315552), (95, 282336), (96, 279395), (102, 262960), (114, 235280), (120, 223516), (136, 197220), (152, 176460), (160, 167637), (170, 157776), (173, 155040), (190, 141168), (204, 131480), (228, 117640), (240, 111758), (255, 105184), (272, 98610), (285, 94112), (304, 88230), (323, 83040), (340, 78888), (346, 77520), (380, 70584), (408, 65740), (456, 58820), (480, 55879), (510, 52592), (519, 51680), (544, 49305), (570, 47056), (608, 44115), (646, 41520), (680, 39444), (692, 38760), (760, 35292), (816, 32870), (865, 31008), (912, 29410), (969, 27680), (1020, 26296), (1038, 25840), (1140, 23528), (1292, 20760), (1360, 19722), (1384, 19380), (1520, 17646), (1615, 16608), (1632, 16435), (1730, 15504), (1824, 14705), (1938, 13840), (2040, 13148), (2076, 12920), (2280, 11764), (2584, 10380), (2595, 10336), (2720, 9861), (2768, 9690), (2941, 9120), (3040, 8823), (3230, 8304), (3287, 8160), (3460, 7752), (3876, 6920), (4080, 6574), (4152, 6460), (4560, 5882), (4845, 5536), (5168, 5190)]