19912320

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3457}}^1$

素因数の和:3482

約数の個数: 96

約数和(自身を含む): 68779620

約数和(自身を除く): 48867300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3457, 5760, 6914, 10371, 13828, 17285, 20742, 27656, 31113, 34570, 41484, 51855, 55312, 62226, 69140, 82968, 103710, 110624, 124452, 138280, 155565, 165936, 207420, 221248, 248904, 276560, 311130, 331872, 414840, 442496, 497808, 553120, 622260, 663744, 829680, 995616, 1106240, 1244520, 1327488, 1659360, 1991232, 2212480, 2489040, 3318720, 3982464, 4978080, 6637440, 9956160, 19912320]

約数ペア:

[(1, 19912320), (2, 9956160), (3, 6637440), (4, 4978080), (5, 3982464), (6, 3318720), (8, 2489040), (9, 2212480), (10, 1991232), (12, 1659360), (15, 1327488), (16, 1244520), (18, 1106240), (20, 995616), (24, 829680), (30, 663744), (32, 622260), (36, 553120), (40, 497808), (45, 442496), (48, 414840), (60, 331872), (64, 311130), (72, 276560), (80, 248904), (90, 221248), (96, 207420), (120, 165936), (128, 155565), (144, 138280), (160, 124452), (180, 110624), (192, 103710), (240, 82968), (288, 69140), (320, 62226), (360, 55312), (384, 51855), (480, 41484), (576, 34570), (640, 31113), (720, 27656), (960, 20742), (1152, 17285), (1440, 13828), (1920, 10371), (2880, 6914), (3457, 5760)]