165745920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2539}}^1$

素因数の和:2580

約数の個数: 144

約数和(自身を含む): 560710080

約数和(自身を除く): 394964160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1632, 1920, 2040, 2176, 2539, 2720, 3264, 3840, 4080, 4352, 5078, 5440, 6528, 7617, 8160, 10156, 10880, 12695, 13056, 15234, 16320, 20312, 21760, 25390, 30468, 32640, 38085, 40624, 43163, 50780, 60936, 65280, 76170, 81248, 86326, 101560, 121872, 129489, 152340, 162496, 172652, 203120, 215815, 243744, 258978, 304680, 324992, 345304, 406240, 431630, 487488, 517956, 609360, 647445, 649984, 690608, 812480, 863260, 974976, 1035912, 1218720, 1294890, 1381216, 1624960, 1726520, 1949952, 2071824, 2437440, 2589780, 2762432, 3249920, 3453040, 4143648, 4874880, 5179560, 5524864, 6906080, 8287296, 9749760, 10359120, 11049728, 13812160, 16574592, 20718240, 27624320, 33149184, 41436480, 55248640, 82872960, 165745920]

約数ペア:

[(1, 165745920), (2, 82872960), (3, 55248640), (4, 41436480), (5, 33149184), (6, 27624320), (8, 20718240), (10, 16574592), (12, 13812160), (15, 11049728), (16, 10359120), (17, 9749760), (20, 8287296), (24, 6906080), (30, 5524864), (32, 5179560), (34, 4874880), (40, 4143648), (48, 3453040), (51, 3249920), (60, 2762432), (64, 2589780), (68, 2437440), (80, 2071824), (85, 1949952), (96, 1726520), (102, 1624960), (120, 1381216), (128, 1294890), (136, 1218720), (160, 1035912), (170, 974976), (192, 863260), (204, 812480), (240, 690608), (255, 649984), (256, 647445), (272, 609360), (320, 517956), (340, 487488), (384, 431630), (408, 406240), (480, 345304), (510, 324992), (544, 304680), (640, 258978), (680, 243744), (768, 215815), (816, 203120), (960, 172652), (1020, 162496), (1088, 152340), (1280, 129489), (1360, 121872), (1632, 101560), (1920, 86326), (2040, 81248), (2176, 76170), (2539, 65280), (2720, 60936), (3264, 50780), (3840, 43163), (4080, 40624), (4352, 38085), (5078, 32640), (5440, 30468), (6528, 25390), (7617, 21760), (8160, 20312), (10156, 16320), (10880, 15234), (12695, 13056)]