61904920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 114351080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 101, 110, 140, 154, 199, 202, 220, 280, 308, 385, 398, 404, 440, 505, 616, 707, 770, 796, 808, 995, 1010, 1111, 1393, 1414, 1540, 1592, 1990, 2020, 2189, 2222, 2786, 2828, 3080, 3535, 3980, 4040, 4378, 4444, 5555, 5572, 5656, 6965, 7070, 7777, 7960, 8756, 8888, 10945, 11110, 11144, 13930, 14140, 15323, 15554, 17512, 20099, 21890, 22220, 27860, 28280, 30646, 31108, 38885, 40198, 43780, 44440, 55720, 61292, 62216, 76615, 77770, 80396, 87560, 100495, 122584, 140693, 153230, 155540, 160792, 200990, 221089, 281386, 306460, 311080, 401980, 442178, 562772, 612920, 703465, 803960, 884356, 1105445, 1125544, 1406930, 1547623, 1768712, 2210890, 2813860, 3095246, 4421780, 5627720, 6190492, 7738115, 8843560, 12380984, 15476230, 30952460, 61904920]

約数ペア:

[(1, 61904920), (2, 30952460), (4, 15476230), (5, 12380984), (7, 8843560), (8, 7738115), (10, 6190492), (11, 5627720), (14, 4421780), (20, 3095246), (22, 2813860), (28, 2210890), (35, 1768712), (40, 1547623), (44, 1406930), (55, 1125544), (56, 1105445), (70, 884356), (77, 803960), (88, 703465), (101, 612920), (110, 562772), (140, 442178), (154, 401980), (199, 311080), (202, 306460), (220, 281386), (280, 221089), (308, 200990), (385, 160792), (398, 155540), (404, 153230), (440, 140693), (505, 122584), (616, 100495), (707, 87560), (770, 80396), (796, 77770), (808, 76615), (995, 62216), (1010, 61292), (1111, 55720), (1393, 44440), (1414, 43780), (1540, 40198), (1592, 38885), (1990, 31108), (2020, 30646), (2189, 28280), (2222, 27860), (2786, 22220), (2828, 21890), (3080, 20099), (3535, 17512), (3980, 15554), (4040, 15323), (4378, 14140), (4444, 13930), (5555, 11144), (5572, 11110), (5656, 10945), (6965, 8888), (7070, 8756), (7777, 7960)]