39857760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 137985120

約数和(自身を除く): 98127360

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, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 240, 267, 288, 311, 356, 360, 445, 480, 534, 622, 712, 720, 801, 890, 933, 1068, 1244, 1335, 1424, 1440, 1555, 1602, 1780, 1866, 2136, 2488, 2670, 2799, 2848, 3110, 3204, 3560, 3732, 4005, 4272, 4665, 4976, 5340, 5598, 6220, 6408, 7120, 7464, 8010, 8544, 9330, 9952, 10680, 11196, 12440, 12816, 13995, 14240, 14928, 16020, 18660, 21360, 22392, 24880, 25632, 27679, 27990, 29856, 32040, 37320, 42720, 44784, 49760, 55358, 55980, 64080, 74640, 83037, 89568, 110716, 111960, 128160, 138395, 149280, 166074, 221432, 223920, 249111, 276790, 332148, 415185, 442864, 447840, 498222, 553580, 664296, 830370, 885728, 996444, 1107160, 1245555, 1328592, 1660740, 1992888, 2214320, 2491110, 2657184, 3321480, 3985776, 4428640, 4982220, 6642960, 7971552, 9964440, 13285920, 19928880, 39857760]

約数ペア:

[(1, 39857760), (2, 19928880), (3, 13285920), (4, 9964440), (5, 7971552), (6, 6642960), (8, 4982220), (9, 4428640), (10, 3985776), (12, 3321480), (15, 2657184), (16, 2491110), (18, 2214320), (20, 1992888), (24, 1660740), (30, 1328592), (32, 1245555), (36, 1107160), (40, 996444), (45, 885728), (48, 830370), (60, 664296), (72, 553580), (80, 498222), (89, 447840), (90, 442864), (96, 415185), (120, 332148), (144, 276790), (160, 249111), (178, 223920), (180, 221432), (240, 166074), (267, 149280), (288, 138395), (311, 128160), (356, 111960), (360, 110716), (445, 89568), (480, 83037), (534, 74640), (622, 64080), (712, 55980), (720, 55358), (801, 49760), (890, 44784), (933, 42720), (1068, 37320), (1244, 32040), (1335, 29856), (1424, 27990), (1440, 27679), (1555, 25632), (1602, 24880), (1780, 22392), (1866, 21360), (2136, 18660), (2488, 16020), (2670, 14928), (2799, 14240), (2848, 13995), (3110, 12816), (3204, 12440), (3560, 11196), (3732, 10680), (4005, 9952), (4272, 9330), (4665, 8544), (4976, 8010), (5340, 7464), (5598, 7120), (6220, 6408)]