81330210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 256

約数和(自身を含む): 261273600

約数和(自身を除く): 179943390

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 29, 30, 34, 39, 45, 47, 51, 54, 58, 65, 78, 85, 87, 90, 94, 102, 117, 130, 135, 141, 145, 153, 170, 174, 195, 221, 234, 235, 255, 261, 270, 282, 290, 306, 351, 377, 390, 423, 435, 442, 459, 470, 493, 510, 522, 585, 611, 663, 702, 705, 754, 765, 783, 799, 846, 870, 918, 986, 1105, 1131, 1170, 1222, 1269, 1305, 1326, 1363, 1410, 1479, 1530, 1566, 1598, 1755, 1833, 1885, 1989, 2115, 2210, 2262, 2295, 2397, 2465, 2538, 2610, 2726, 2958, 3055, 3315, 3393, 3510, 3666, 3770, 3915, 3978, 3995, 4089, 4230, 4437, 4590, 4794, 4930, 5499, 5655, 5967, 6110, 6345, 6409, 6630, 6786, 6815, 7191, 7395, 7830, 7990, 8178, 8874, 9165, 9945, 10179, 10387, 10998, 11310, 11934, 11985, 12267, 12690, 12818, 13311, 13630, 14382, 14790, 16497, 16965, 17719, 18330, 19227, 19890, 20358, 20445, 20774, 21573, 22185, 23171, 23970, 24534, 26622, 27495, 29835, 31161, 32045, 32994, 33930, 35438, 35955, 36801, 38454, 40890, 43146, 44370, 46342, 50895, 51935, 53157, 54990, 57681, 59670, 61335, 62322, 64090, 66555, 69513, 71910, 73602, 82485, 88595, 93483, 96135, 101790, 103870, 106314, 107865, 115362, 115855, 122670, 133110, 139026, 155805, 159471, 164970, 173043, 177190, 184005, 186966, 192270, 208539, 215730, 231710, 265785, 280449, 288405, 301223, 311610, 318942, 346086, 347565, 368010, 417078, 467415, 478413, 531570, 560898, 576810, 602446, 625617, 695130, 797355, 865215, 903669, 934830, 956826, 1042695, 1251234, 1402245, 1506115, 1594710, 1730430, 1807338, 2085390, 2392065, 2711007, 2804490, 3012230, 3128085, 4518345, 4784130, 5422014, 6256170, 8133021, 9036690, 13555035, 16266042, 27110070, 40665105, 81330210]

約数ペア:

[(1, 81330210), (2, 40665105), (3, 27110070), (5, 16266042), (6, 13555035), (9, 9036690), (10, 8133021), (13, 6256170), (15, 5422014), (17, 4784130), (18, 4518345), (26, 3128085), (27, 3012230), (29, 2804490), (30, 2711007), (34, 2392065), (39, 2085390), (45, 1807338), (47, 1730430), (51, 1594710), (54, 1506115), (58, 1402245), (65, 1251234), (78, 1042695), (85, 956826), (87, 934830), (90, 903669), (94, 865215), (102, 797355), (117, 695130), (130, 625617), (135, 602446), (141, 576810), (145, 560898), (153, 531570), (170, 478413), (174, 467415), (195, 417078), (221, 368010), (234, 347565), (235, 346086), (255, 318942), (261, 311610), (270, 301223), (282, 288405), (290, 280449), (306, 265785), (351, 231710), (377, 215730), (390, 208539), (423, 192270), (435, 186966), (442, 184005), (459, 177190), (470, 173043), (493, 164970), (510, 159471), (522, 155805), (585, 139026), (611, 133110), (663, 122670), (702, 115855), (705, 115362), (754, 107865), (765, 106314), (783, 103870), (799, 101790), (846, 96135), (870, 93483), (918, 88595), (986, 82485), (1105, 73602), (1131, 71910), (1170, 69513), (1222, 66555), (1269, 64090), (1305, 62322), (1326, 61335), (1363, 59670), (1410, 57681), (1479, 54990), (1530, 53157), (1566, 51935), (1598, 50895), (1755, 46342), (1833, 44370), (1885, 43146), (1989, 40890), (2115, 38454), (2210, 36801), (2262, 35955), (2295, 35438), (2397, 33930), (2465, 32994), (2538, 32045), (2610, 31161), (2726, 29835), (2958, 27495), (3055, 26622), (3315, 24534), (3393, 23970), (3510, 23171), (3666, 22185), (3770, 21573), (3915, 20774), (3978, 20445), (3995, 20358), (4089, 19890), (4230, 19227), (4437, 18330), (4590, 17719), (4794, 16965), (4930, 16497), (5499, 14790), (5655, 14382), (5967, 13630), (6110, 13311), (6345, 12818), (6409, 12690), (6630, 12267), (6786, 11985), (6815, 11934), (7191, 11310), (7395, 10998), (7830, 10387), (7990, 10179), (8178, 9945), (8874, 9165)]