68328540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 216

約数和(自身を含む): 246984192

約数和(自身を除く): 178655652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 61, 63, 70, 84, 90, 98, 105, 122, 126, 127, 140, 147, 180, 183, 196, 210, 244, 245, 252, 254, 294, 305, 315, 366, 381, 420, 427, 441, 490, 508, 549, 588, 610, 630, 635, 732, 735, 762, 854, 882, 889, 915, 980, 1098, 1143, 1220, 1260, 1270, 1281, 1470, 1524, 1708, 1764, 1778, 1830, 1905, 2135, 2196, 2205, 2286, 2540, 2562, 2667, 2745, 2940, 2989, 3556, 3660, 3810, 3843, 4270, 4410, 4445, 4572, 5124, 5334, 5490, 5715, 5978, 6223, 6405, 7620, 7686, 7747, 8001, 8540, 8820, 8890, 8967, 10668, 10980, 11430, 11956, 12446, 12810, 13335, 14945, 15372, 15494, 16002, 17780, 17934, 18669, 19215, 22860, 23241, 24892, 25620, 26670, 26901, 29890, 30988, 31115, 32004, 35868, 37338, 38430, 38735, 40005, 44835, 46482, 53340, 53802, 54229, 56007, 59780, 62230, 69723, 74676, 76860, 77470, 80010, 89670, 92964, 93345, 107604, 108458, 112014, 116205, 124460, 134505, 139446, 154940, 160020, 162687, 179340, 186690, 216916, 224028, 232410, 269010, 271145, 278892, 280035, 325374, 348615, 373380, 379603, 464820, 488061, 538020, 542290, 560070, 650748, 697230, 759206, 813435, 976122, 1084580, 1120140, 1138809, 1394460, 1518412, 1626870, 1898015, 1952244, 2277618, 2440305, 3253740, 3416427, 3796030, 4555236, 4880610, 5694045, 6832854, 7592060, 9761220, 11388090, 13665708, 17082135, 22776180, 34164270, 68328540]

約数ペア:

[(1, 68328540), (2, 34164270), (3, 22776180), (4, 17082135), (5, 13665708), (6, 11388090), (7, 9761220), (9, 7592060), (10, 6832854), (12, 5694045), (14, 4880610), (15, 4555236), (18, 3796030), (20, 3416427), (21, 3253740), (28, 2440305), (30, 2277618), (35, 1952244), (36, 1898015), (42, 1626870), (45, 1518412), (49, 1394460), (60, 1138809), (61, 1120140), (63, 1084580), (70, 976122), (84, 813435), (90, 759206), (98, 697230), (105, 650748), (122, 560070), (126, 542290), (127, 538020), (140, 488061), (147, 464820), (180, 379603), (183, 373380), (196, 348615), (210, 325374), (244, 280035), (245, 278892), (252, 271145), (254, 269010), (294, 232410), (305, 224028), (315, 216916), (366, 186690), (381, 179340), (420, 162687), (427, 160020), (441, 154940), (490, 139446), (508, 134505), (549, 124460), (588, 116205), (610, 112014), (630, 108458), (635, 107604), (732, 93345), (735, 92964), (762, 89670), (854, 80010), (882, 77470), (889, 76860), (915, 74676), (980, 69723), (1098, 62230), (1143, 59780), (1220, 56007), (1260, 54229), (1270, 53802), (1281, 53340), (1470, 46482), (1524, 44835), (1708, 40005), (1764, 38735), (1778, 38430), (1830, 37338), (1905, 35868), (2135, 32004), (2196, 31115), (2205, 30988), (2286, 29890), (2540, 26901), (2562, 26670), (2667, 25620), (2745, 24892), (2940, 23241), (2989, 22860), (3556, 19215), (3660, 18669), (3810, 17934), (3843, 17780), (4270, 16002), (4410, 15494), (4445, 15372), (4572, 14945), (5124, 13335), (5334, 12810), (5490, 12446), (5715, 11956), (5978, 11430), (6223, 10980), (6405, 10668), (7620, 8967), (7686, 8890), (7747, 8820), (8001, 8540)]