55120590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 144

約数和(自身を含む): 172860480

約数和(自身を除く): 117739890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 49, 58, 63, 70, 87, 90, 98, 105, 126, 145, 147, 174, 203, 210, 245, 261, 290, 294, 315, 406, 431, 435, 441, 490, 522, 609, 630, 735, 862, 870, 882, 1015, 1218, 1293, 1305, 1421, 1470, 1827, 2030, 2155, 2205, 2586, 2610, 2842, 3017, 3045, 3654, 3879, 4263, 4310, 4410, 6034, 6090, 6465, 7105, 7758, 8526, 9051, 9135, 12499, 12789, 12930, 14210, 15085, 18102, 18270, 19395, 21119, 21315, 24998, 25578, 27153, 30170, 37497, 38790, 42238, 42630, 45255, 54306, 62495, 63357, 63945, 74994, 87493, 90510, 105595, 112491, 124990, 126714, 127890, 135765, 174986, 187485, 190071, 211190, 224982, 262479, 271530, 316785, 374970, 380142, 437465, 524958, 562455, 612451, 633570, 787437, 874930, 950355, 1124910, 1224902, 1312395, 1574874, 1837353, 1900710, 2624790, 3062255, 3674706, 3937185, 5512059, 6124510, 7874370, 9186765, 11024118, 18373530, 27560295, 55120590]

約数ペア:

[(1, 55120590), (2, 27560295), (3, 18373530), (5, 11024118), (6, 9186765), (7, 7874370), (9, 6124510), (10, 5512059), (14, 3937185), (15, 3674706), (18, 3062255), (21, 2624790), (29, 1900710), (30, 1837353), (35, 1574874), (42, 1312395), (45, 1224902), (49, 1124910), (58, 950355), (63, 874930), (70, 787437), (87, 633570), (90, 612451), (98, 562455), (105, 524958), (126, 437465), (145, 380142), (147, 374970), (174, 316785), (203, 271530), (210, 262479), (245, 224982), (261, 211190), (290, 190071), (294, 187485), (315, 174986), (406, 135765), (431, 127890), (435, 126714), (441, 124990), (490, 112491), (522, 105595), (609, 90510), (630, 87493), (735, 74994), (862, 63945), (870, 63357), (882, 62495), (1015, 54306), (1218, 45255), (1293, 42630), (1305, 42238), (1421, 38790), (1470, 37497), (1827, 30170), (2030, 27153), (2155, 25578), (2205, 24998), (2586, 21315), (2610, 21119), (2842, 19395), (3017, 18270), (3045, 18102), (3654, 15085), (3879, 14210), (4263, 12930), (4310, 12789), (4410, 12499), (6034, 9135), (6090, 9051), (6465, 8526), (7105, 7758)]