65219490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 144

約数和(自身を含む): 206152128

約数和(自身を除く): 140932638

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 49, 63, 69, 70, 90, 98, 105, 115, 126, 138, 147, 161, 207, 210, 230, 245, 294, 315, 322, 345, 414, 441, 483, 490, 630, 643, 690, 735, 805, 882, 966, 1035, 1127, 1286, 1449, 1470, 1610, 1929, 2070, 2205, 2254, 2415, 2898, 3215, 3381, 3858, 4410, 4501, 4830, 5635, 5787, 6430, 6762, 7245, 9002, 9645, 10143, 11270, 11574, 13503, 14490, 14789, 16905, 19290, 20286, 22505, 27006, 28935, 29578, 31507, 33810, 40509, 44367, 45010, 50715, 57870, 63014, 67515, 73945, 81018, 88734, 94521, 101430, 103523, 133101, 135030, 147890, 157535, 189042, 202545, 207046, 221835, 266202, 283563, 310569, 315070, 405090, 443670, 472605, 517615, 567126, 621138, 665505, 724661, 931707, 945210, 1035230, 1331010, 1417815, 1449322, 1552845, 1863414, 2173983, 2835630, 3105690, 3623305, 4347966, 4658535, 6521949, 7246610, 9317070, 10869915, 13043898, 21739830, 32609745, 65219490]

約数ペア:

[(1, 65219490), (2, 32609745), (3, 21739830), (5, 13043898), (6, 10869915), (7, 9317070), (9, 7246610), (10, 6521949), (14, 4658535), (15, 4347966), (18, 3623305), (21, 3105690), (23, 2835630), (30, 2173983), (35, 1863414), (42, 1552845), (45, 1449322), (46, 1417815), (49, 1331010), (63, 1035230), (69, 945210), (70, 931707), (90, 724661), (98, 665505), (105, 621138), (115, 567126), (126, 517615), (138, 472605), (147, 443670), (161, 405090), (207, 315070), (210, 310569), (230, 283563), (245, 266202), (294, 221835), (315, 207046), (322, 202545), (345, 189042), (414, 157535), (441, 147890), (483, 135030), (490, 133101), (630, 103523), (643, 101430), (690, 94521), (735, 88734), (805, 81018), (882, 73945), (966, 67515), (1035, 63014), (1127, 57870), (1286, 50715), (1449, 45010), (1470, 44367), (1610, 40509), (1929, 33810), (2070, 31507), (2205, 29578), (2254, 28935), (2415, 27006), (2898, 22505), (3215, 20286), (3381, 19290), (3858, 16905), (4410, 14789), (4501, 14490), (4830, 13503), (5635, 11574), (5787, 11270), (6430, 10143), (6762, 9645), (7245, 9002)]