77837220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 262483200

約数和(自身を除く): 184645980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 61, 68, 85, 90, 102, 108, 122, 135, 139, 153, 170, 180, 183, 204, 244, 255, 270, 278, 305, 306, 340, 366, 417, 459, 510, 540, 549, 556, 610, 612, 695, 732, 765, 834, 915, 918, 1020, 1037, 1098, 1220, 1251, 1390, 1530, 1647, 1668, 1830, 1836, 2074, 2085, 2196, 2295, 2363, 2502, 2745, 2780, 3060, 3111, 3294, 3660, 3753, 4148, 4170, 4590, 4726, 5004, 5185, 5490, 6222, 6255, 6588, 7089, 7506, 8235, 8340, 8479, 9180, 9333, 9452, 10370, 10980, 11815, 12444, 12510, 14178, 15012, 15555, 16470, 16958, 18666, 18765, 20740, 21267, 23630, 25020, 25437, 27999, 28356, 31110, 32940, 33916, 35445, 37332, 37530, 42395, 42534, 46665, 47260, 50874, 55998, 62220, 63801, 70890, 75060, 76311, 84790, 85068, 93330, 101748, 106335, 111996, 127185, 127602, 139995, 141780, 144143, 152622, 169580, 186660, 212670, 228933, 254370, 255204, 279990, 288286, 305244, 319005, 381555, 425340, 432429, 457866, 508740, 559980, 576572, 638010, 720715, 763110, 864858, 915732, 1144665, 1276020, 1297287, 1441430, 1526220, 1729716, 2162145, 2289330, 2594574, 2882860, 3891861, 4324290, 4578660, 5189148, 6486435, 7783722, 8648580, 12972870, 15567444, 19459305, 25945740, 38918610, 77837220]

約数ペア:

[(1, 77837220), (2, 38918610), (3, 25945740), (4, 19459305), (5, 15567444), (6, 12972870), (9, 8648580), (10, 7783722), (12, 6486435), (15, 5189148), (17, 4578660), (18, 4324290), (20, 3891861), (27, 2882860), (30, 2594574), (34, 2289330), (36, 2162145), (45, 1729716), (51, 1526220), (54, 1441430), (60, 1297287), (61, 1276020), (68, 1144665), (85, 915732), (90, 864858), (102, 763110), (108, 720715), (122, 638010), (135, 576572), (139, 559980), (153, 508740), (170, 457866), (180, 432429), (183, 425340), (204, 381555), (244, 319005), (255, 305244), (270, 288286), (278, 279990), (305, 255204), (306, 254370), (340, 228933), (366, 212670), (417, 186660), (459, 169580), (510, 152622), (540, 144143), (549, 141780), (556, 139995), (610, 127602), (612, 127185), (695, 111996), (732, 106335), (765, 101748), (834, 93330), (915, 85068), (918, 84790), (1020, 76311), (1037, 75060), (1098, 70890), (1220, 63801), (1251, 62220), (1390, 55998), (1530, 50874), (1647, 47260), (1668, 46665), (1830, 42534), (1836, 42395), (2074, 37530), (2085, 37332), (2196, 35445), (2295, 33916), (2363, 32940), (2502, 31110), (2745, 28356), (2780, 27999), (3060, 25437), (3111, 25020), (3294, 23630), (3660, 21267), (3753, 20740), (4148, 18765), (4170, 18666), (4590, 16958), (4726, 16470), (5004, 15555), (5185, 15012), (5490, 14178), (6222, 12510), (6255, 12444), (6588, 11815), (7089, 10980), (7506, 10370), (8235, 9452), (8340, 9333), (8479, 9180)]