21488160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:610

約数の個数: 96

約数和(自身を含む): 68584320

約数和(自身を除く): 47096160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 480, 503, 534, 712, 890, 1006, 1068, 1335, 1424, 1509, 1780, 2012, 2136, 2515, 2670, 2848, 3018, 3560, 4024, 4272, 5030, 5340, 6036, 7120, 7545, 8048, 8544, 10060, 10680, 12072, 14240, 15090, 16096, 20120, 21360, 24144, 30180, 40240, 42720, 44767, 48288, 60360, 80480, 89534, 120720, 134301, 179068, 223835, 241440, 268602, 358136, 447670, 537204, 671505, 716272, 895340, 1074408, 1343010, 1432544, 1790680, 2148816, 2686020, 3581360, 4297632, 5372040, 7162720, 10744080, 21488160]

約数ペア:

[(1, 21488160), (2, 10744080), (3, 7162720), (4, 5372040), (5, 4297632), (6, 3581360), (8, 2686020), (10, 2148816), (12, 1790680), (15, 1432544), (16, 1343010), (20, 1074408), (24, 895340), (30, 716272), (32, 671505), (40, 537204), (48, 447670), (60, 358136), (80, 268602), (89, 241440), (96, 223835), (120, 179068), (160, 134301), (178, 120720), (240, 89534), (267, 80480), (356, 60360), (445, 48288), (480, 44767), (503, 42720), (534, 40240), (712, 30180), (890, 24144), (1006, 21360), (1068, 20120), (1335, 16096), (1424, 15090), (1509, 14240), (1780, 12072), (2012, 10680), (2136, 10060), (2515, 8544), (2670, 8048), (2848, 7545), (3018, 7120), (3560, 6036), (4024, 5340), (4272, 5030)]