89131980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 299980800

約数和(自身を除く): 210848820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 71, 84, 98, 105, 122, 140, 142, 147, 183, 196, 210, 213, 244, 245, 284, 294, 305, 343, 355, 366, 420, 426, 427, 490, 497, 588, 610, 686, 710, 732, 735, 852, 854, 915, 980, 994, 1029, 1065, 1220, 1281, 1372, 1420, 1470, 1491, 1708, 1715, 1830, 1988, 2058, 2130, 2135, 2485, 2562, 2940, 2982, 2989, 3430, 3479, 3660, 4116, 4260, 4270, 4331, 4970, 5124, 5145, 5964, 5978, 6405, 6860, 6958, 7455, 8540, 8662, 8967, 9940, 10290, 10437, 11956, 12810, 12993, 13916, 14910, 14945, 17324, 17395, 17934, 20580, 20874, 20923, 21655, 24353, 25620, 25986, 29820, 29890, 30317, 34790, 35868, 41748, 41846, 43310, 44835, 48706, 51972, 52185, 59780, 60634, 62769, 64965, 69580, 73059, 83692, 86620, 89670, 90951, 97412, 104370, 104615, 121268, 121765, 125538, 129930, 146118, 151585, 179340, 181902, 208740, 209230, 212219, 243530, 251076, 259860, 292236, 303170, 313845, 363804, 365295, 418460, 424438, 454755, 487060, 606340, 627690, 636657, 730590, 848876, 909510, 1061095, 1255380, 1273314, 1461180, 1485533, 1819020, 2122190, 2546628, 2971066, 3183285, 4244380, 4456599, 5942132, 6366570, 7427665, 8913198, 12733140, 14855330, 17826396, 22282995, 29710660, 44565990, 89131980]

約数ペア:

[(1, 89131980), (2, 44565990), (3, 29710660), (4, 22282995), (5, 17826396), (6, 14855330), (7, 12733140), (10, 8913198), (12, 7427665), (14, 6366570), (15, 5942132), (20, 4456599), (21, 4244380), (28, 3183285), (30, 2971066), (35, 2546628), (42, 2122190), (49, 1819020), (60, 1485533), (61, 1461180), (70, 1273314), (71, 1255380), (84, 1061095), (98, 909510), (105, 848876), (122, 730590), (140, 636657), (142, 627690), (147, 606340), (183, 487060), (196, 454755), (210, 424438), (213, 418460), (244, 365295), (245, 363804), (284, 313845), (294, 303170), (305, 292236), (343, 259860), (355, 251076), (366, 243530), (420, 212219), (426, 209230), (427, 208740), (490, 181902), (497, 179340), (588, 151585), (610, 146118), (686, 129930), (710, 125538), (732, 121765), (735, 121268), (852, 104615), (854, 104370), (915, 97412), (980, 90951), (994, 89670), (1029, 86620), (1065, 83692), (1220, 73059), (1281, 69580), (1372, 64965), (1420, 62769), (1470, 60634), (1491, 59780), (1708, 52185), (1715, 51972), (1830, 48706), (1988, 44835), (2058, 43310), (2130, 41846), (2135, 41748), (2485, 35868), (2562, 34790), (2940, 30317), (2982, 29890), (2989, 29820), (3430, 25986), (3479, 25620), (3660, 24353), (4116, 21655), (4260, 20923), (4270, 20874), (4331, 20580), (4970, 17934), (5124, 17395), (5145, 17324), (5964, 14945), (5978, 14910), (6405, 13916), (6860, 12993), (6958, 12810), (7455, 11956), (8540, 10437), (8662, 10290), (8967, 9940)]