18615680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 49572000

約数和(自身を除く): 30956320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 59, 64, 68, 80, 85, 116, 118, 128, 136, 145, 160, 170, 232, 236, 272, 290, 295, 320, 340, 464, 472, 493, 544, 580, 590, 640, 680, 928, 944, 986, 1003, 1088, 1160, 1180, 1360, 1711, 1856, 1888, 1972, 2006, 2176, 2320, 2360, 2465, 2720, 3422, 3712, 3776, 3944, 4012, 4640, 4720, 4930, 5015, 5440, 6844, 7552, 7888, 8024, 8555, 9280, 9440, 9860, 10030, 10880, 13688, 15776, 16048, 17110, 18560, 18880, 19720, 20060, 27376, 29087, 31552, 32096, 34220, 37760, 39440, 40120, 54752, 58174, 63104, 64192, 68440, 78880, 80240, 109504, 116348, 128384, 136880, 145435, 157760, 160480, 219008, 232696, 273760, 290870, 315520, 320960, 465392, 547520, 581740, 641920, 930784, 1095040, 1163480, 1861568, 2326960, 3723136, 4653920, 9307840, 18615680]

約数ペア:

[(1, 18615680), (2, 9307840), (4, 4653920), (5, 3723136), (8, 2326960), (10, 1861568), (16, 1163480), (17, 1095040), (20, 930784), (29, 641920), (32, 581740), (34, 547520), (40, 465392), (58, 320960), (59, 315520), (64, 290870), (68, 273760), (80, 232696), (85, 219008), (116, 160480), (118, 157760), (128, 145435), (136, 136880), (145, 128384), (160, 116348), (170, 109504), (232, 80240), (236, 78880), (272, 68440), (290, 64192), (295, 63104), (320, 58174), (340, 54752), (464, 40120), (472, 39440), (493, 37760), (544, 34220), (580, 32096), (590, 31552), (640, 29087), (680, 27376), (928, 20060), (944, 19720), (986, 18880), (1003, 18560), (1088, 17110), (1160, 16048), (1180, 15776), (1360, 13688), (1711, 10880), (1856, 10030), (1888, 9860), (1972, 9440), (2006, 9280), (2176, 8555), (2320, 8024), (2360, 7888), (2465, 7552), (2720, 6844), (3422, 5440), (3712, 5015), (3776, 4930), (3944, 4720), (4012, 4640)]