72120240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:388

約数の個数: 160

約数和(自身を含む): 251144640

約数和(自身を除く): 179024400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 173, 180, 193, 216, 240, 270, 346, 360, 386, 432, 519, 540, 579, 692, 720, 772, 865, 965, 1038, 1080, 1158, 1384, 1544, 1557, 1730, 1737, 1930, 2076, 2160, 2316, 2595, 2768, 2895, 3088, 3114, 3460, 3474, 3860, 4152, 4632, 4671, 5190, 5211, 5790, 6228, 6920, 6948, 7720, 7785, 8304, 8685, 9264, 9342, 10380, 10422, 11580, 12456, 13840, 13896, 15440, 15570, 17370, 18684, 20760, 20844, 23160, 23355, 24912, 26055, 27792, 31140, 33389, 34740, 37368, 41520, 41688, 46320, 46710, 52110, 62280, 66778, 69480, 74736, 83376, 93420, 100167, 104220, 124560, 133556, 138960, 166945, 186840, 200334, 208440, 267112, 300501, 333890, 373680, 400668, 416880, 500835, 534224, 601002, 667780, 801336, 901503, 1001670, 1202004, 1335560, 1502505, 1602672, 1803006, 2003340, 2404008, 2671120, 3005010, 3606012, 4006680, 4507515, 4808016, 6010020, 7212024, 8013360, 9015030, 12020040, 14424048, 18030060, 24040080, 36060120, 72120240]

約数ペア:

[(1, 72120240), (2, 36060120), (3, 24040080), (4, 18030060), (5, 14424048), (6, 12020040), (8, 9015030), (9, 8013360), (10, 7212024), (12, 6010020), (15, 4808016), (16, 4507515), (18, 4006680), (20, 3606012), (24, 3005010), (27, 2671120), (30, 2404008), (36, 2003340), (40, 1803006), (45, 1602672), (48, 1502505), (54, 1335560), (60, 1202004), (72, 1001670), (80, 901503), (90, 801336), (108, 667780), (120, 601002), (135, 534224), (144, 500835), (173, 416880), (180, 400668), (193, 373680), (216, 333890), (240, 300501), (270, 267112), (346, 208440), (360, 200334), (386, 186840), (432, 166945), (519, 138960), (540, 133556), (579, 124560), (692, 104220), (720, 100167), (772, 93420), (865, 83376), (965, 74736), (1038, 69480), (1080, 66778), (1158, 62280), (1384, 52110), (1544, 46710), (1557, 46320), (1730, 41688), (1737, 41520), (1930, 37368), (2076, 34740), (2160, 33389), (2316, 31140), (2595, 27792), (2768, 26055), (2895, 24912), (3088, 23355), (3114, 23160), (3460, 20844), (3474, 20760), (3860, 18684), (4152, 17370), (4632, 15570), (4671, 15440), (5190, 13896), (5211, 13840), (5790, 12456), (6228, 11580), (6920, 10422), (6948, 10380), (7720, 9342), (7785, 9264), (8304, 8685)]