217065720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:170

約数の個数: 256

約数和(自身を含む): 729907200

約数和(自身を除く): 512841480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 43, 46, 59, 60, 62, 69, 86, 92, 93, 115, 118, 120, 124, 129, 138, 155, 172, 177, 184, 186, 215, 230, 236, 248, 258, 276, 295, 310, 344, 345, 354, 372, 430, 460, 465, 472, 516, 552, 590, 620, 645, 690, 708, 713, 744, 860, 885, 920, 930, 989, 1032, 1180, 1240, 1290, 1333, 1357, 1380, 1416, 1426, 1720, 1770, 1829, 1860, 1978, 2139, 2360, 2537, 2580, 2666, 2714, 2760, 2852, 2967, 3540, 3565, 3658, 3720, 3956, 3999, 4071, 4278, 4945, 5074, 5160, 5332, 5428, 5487, 5704, 5934, 6665, 6785, 7080, 7130, 7316, 7611, 7912, 7998, 8142, 8556, 9145, 9890, 10148, 10664, 10695, 10856, 10974, 11868, 12685, 13330, 13570, 14260, 14632, 14835, 15222, 15996, 16284, 17112, 18290, 19780, 19995, 20296, 20355, 21390, 21948, 23736, 25370, 26660, 27140, 27435, 28520, 29670, 30444, 30659, 31992, 32568, 36580, 38055, 39560, 39990, 40710, 42067, 42780, 43896, 50740, 53320, 54280, 54870, 58351, 59340, 60888, 61318, 73160, 76110, 78647, 79980, 81420, 84134, 85560, 91977, 101480, 109740, 116702, 118680, 122636, 126201, 152220, 153295, 157294, 159960, 162840, 168268, 175053, 183954, 210335, 219480, 233404, 235941, 245272, 252402, 291755, 304440, 306590, 314588, 336536, 350106, 367908, 393235, 420670, 459885, 466808, 471882, 504804, 583510, 613180, 629176, 631005, 700212, 735816, 786470, 841340, 875265, 919770, 943764, 1009608, 1167020, 1179705, 1226360, 1262010, 1400424, 1572940, 1682680, 1750530, 1808881, 1839540, 1887528, 2334040, 2359410, 2524020, 3145880, 3501060, 3617762, 3679080, 4718820, 5048040, 5426643, 7002120, 7235524, 9044405, 9437640, 10853286, 14471048, 18088810, 21706572, 27133215, 36177620, 43413144, 54266430, 72355240, 108532860, 217065720]

約数ペア:

[(1, 217065720), (2, 108532860), (3, 72355240), (4, 54266430), (5, 43413144), (6, 36177620), (8, 27133215), (10, 21706572), (12, 18088810), (15, 14471048), (20, 10853286), (23, 9437640), (24, 9044405), (30, 7235524), (31, 7002120), (40, 5426643), (43, 5048040), (46, 4718820), (59, 3679080), (60, 3617762), (62, 3501060), (69, 3145880), (86, 2524020), (92, 2359410), (93, 2334040), (115, 1887528), (118, 1839540), (120, 1808881), (124, 1750530), (129, 1682680), (138, 1572940), (155, 1400424), (172, 1262010), (177, 1226360), (184, 1179705), (186, 1167020), (215, 1009608), (230, 943764), (236, 919770), (248, 875265), (258, 841340), (276, 786470), (295, 735816), (310, 700212), (344, 631005), (345, 629176), (354, 613180), (372, 583510), (430, 504804), (460, 471882), (465, 466808), (472, 459885), (516, 420670), (552, 393235), (590, 367908), (620, 350106), (645, 336536), (690, 314588), (708, 306590), (713, 304440), (744, 291755), (860, 252402), (885, 245272), (920, 235941), (930, 233404), (989, 219480), (1032, 210335), (1180, 183954), (1240, 175053), (1290, 168268), (1333, 162840), (1357, 159960), (1380, 157294), (1416, 153295), (1426, 152220), (1720, 126201), (1770, 122636), (1829, 118680), (1860, 116702), (1978, 109740), (2139, 101480), (2360, 91977), (2537, 85560), (2580, 84134), (2666, 81420), (2714, 79980), (2760, 78647), (2852, 76110), (2967, 73160), (3540, 61318), (3565, 60888), (3658, 59340), (3720, 58351), (3956, 54870), (3999, 54280), (4071, 53320), (4278, 50740), (4945, 43896), (5074, 42780), (5160, 42067), (5332, 40710), (5428, 39990), (5487, 39560), (5704, 38055), (5934, 36580), (6665, 32568), (6785, 31992), (7080, 30659), (7130, 30444), (7316, 29670), (7611, 28520), (7912, 27435), (7998, 27140), (8142, 26660), (8556, 25370), (9145, 23736), (9890, 21948), (10148, 21390), (10664, 20355), (10695, 20296), (10856, 19995), (10974, 19780), (11868, 18290), (12685, 17112), (13330, 16284), (13570, 15996), (14260, 15222), (14632, 14835)]