81510030

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 259536960

約数和(自身を除く): 178026930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 61, 63, 70, 90, 98, 101, 105, 122, 126, 135, 147, 183, 189, 202, 210, 245, 270, 294, 303, 305, 315, 366, 378, 427, 441, 490, 505, 549, 606, 610, 630, 707, 735, 854, 882, 909, 915, 945, 1010, 1098, 1281, 1323, 1414, 1470, 1515, 1647, 1818, 1830, 1890, 2121, 2135, 2205, 2562, 2646, 2727, 2745, 2989, 3030, 3294, 3535, 3843, 4242, 4270, 4410, 4545, 4949, 5454, 5490, 5978, 6161, 6363, 6405, 6615, 7070, 7686, 8235, 8967, 9090, 9898, 10605, 11529, 12322, 12726, 12810, 13230, 13635, 14847, 14945, 16470, 17934, 18483, 19089, 19215, 21210, 23058, 24745, 26901, 27270, 29694, 29890, 30805, 31815, 36966, 38178, 38430, 43127, 44541, 44835, 49490, 53802, 55449, 57645, 61610, 63630, 74235, 80703, 86254, 89082, 89670, 92415, 95445, 110898, 115290, 129381, 133623, 134505, 148470, 161406, 166347, 184830, 190890, 215635, 222705, 258762, 267246, 269010, 277245, 301889, 332694, 388143, 403515, 431270, 445410, 554490, 603778, 646905, 668115, 776286, 807030, 831735, 905667, 1164429, 1293810, 1336230, 1509445, 1663470, 1811334, 1940715, 2328858, 2717001, 3018890, 3881430, 4528335, 5434002, 5822145, 8151003, 9056670, 11644290, 13585005, 16302006, 27170010, 40755015, 81510030]

約数ペア:

[(1, 81510030), (2, 40755015), (3, 27170010), (5, 16302006), (6, 13585005), (7, 11644290), (9, 9056670), (10, 8151003), (14, 5822145), (15, 5434002), (18, 4528335), (21, 3881430), (27, 3018890), (30, 2717001), (35, 2328858), (42, 1940715), (45, 1811334), (49, 1663470), (54, 1509445), (61, 1336230), (63, 1293810), (70, 1164429), (90, 905667), (98, 831735), (101, 807030), (105, 776286), (122, 668115), (126, 646905), (135, 603778), (147, 554490), (183, 445410), (189, 431270), (202, 403515), (210, 388143), (245, 332694), (270, 301889), (294, 277245), (303, 269010), (305, 267246), (315, 258762), (366, 222705), (378, 215635), (427, 190890), (441, 184830), (490, 166347), (505, 161406), (549, 148470), (606, 134505), (610, 133623), (630, 129381), (707, 115290), (735, 110898), (854, 95445), (882, 92415), (909, 89670), (915, 89082), (945, 86254), (1010, 80703), (1098, 74235), (1281, 63630), (1323, 61610), (1414, 57645), (1470, 55449), (1515, 53802), (1647, 49490), (1818, 44835), (1830, 44541), (1890, 43127), (2121, 38430), (2135, 38178), (2205, 36966), (2562, 31815), (2646, 30805), (2727, 29890), (2745, 29694), (2989, 27270), (3030, 26901), (3294, 24745), (3535, 23058), (3843, 21210), (4242, 19215), (4270, 19089), (4410, 18483), (4545, 17934), (4949, 16470), (5454, 14945), (5490, 14847), (5978, 13635), (6161, 13230), (6363, 12810), (6405, 12726), (6615, 12322), (7070, 11529), (7686, 10605), (8235, 9898), (8967, 9090)]