216972720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9721}}^1$

素因数の和:9771

約数の個数: 120

約数和(自身を含む): 752249472

約数和(自身を除く): 535276752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 9721, 11160, 19442, 22320, 29163, 38884, 48605, 58326, 77768, 87489, 97210, 116652, 145815, 155536, 174978, 194420, 233304, 291630, 301351, 349956, 388840, 437445, 466608, 583260, 602702, 699912, 777680, 874890, 904053, 1166520, 1205404, 1399824, 1506755, 1749780, 1808106, 2333040, 2410808, 2712159, 3013510, 3499560, 3616212, 4520265, 4821616, 5424318, 6027020, 6999120, 7232424, 9040530, 10848636, 12054040, 13560795, 14464848, 18081060, 21697272, 24108080, 27121590, 36162120, 43394544, 54243180, 72324240, 108486360, 216972720]

約数ペア:

[(1, 216972720), (2, 108486360), (3, 72324240), (4, 54243180), (5, 43394544), (6, 36162120), (8, 27121590), (9, 24108080), (10, 21697272), (12, 18081060), (15, 14464848), (16, 13560795), (18, 12054040), (20, 10848636), (24, 9040530), (30, 7232424), (31, 6999120), (36, 6027020), (40, 5424318), (45, 4821616), (48, 4520265), (60, 3616212), (62, 3499560), (72, 3013510), (80, 2712159), (90, 2410808), (93, 2333040), (120, 1808106), (124, 1749780), (144, 1506755), (155, 1399824), (180, 1205404), (186, 1166520), (240, 904053), (248, 874890), (279, 777680), (310, 699912), (360, 602702), (372, 583260), (465, 466608), (496, 437445), (558, 388840), (620, 349956), (720, 301351), (744, 291630), (930, 233304), (1116, 194420), (1240, 174978), (1395, 155536), (1488, 145815), (1860, 116652), (2232, 97210), (2480, 87489), (2790, 77768), (3720, 58326), (4464, 48605), (5580, 38884), (7440, 29163), (9721, 22320), (11160, 19442)]