128511810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 408844800

約数和(自身を除く): 280332990

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, 181, 207, 210, 230, 245, 294, 315, 322, 343, 345, 362, 414, 441, 483, 490, 543, 630, 686, 690, 735, 805, 882, 905, 966, 1029, 1035, 1086, 1127, 1267, 1449, 1470, 1610, 1629, 1715, 1810, 2058, 2070, 2205, 2254, 2415, 2534, 2715, 2898, 3087, 3258, 3381, 3430, 3801, 4163, 4410, 4830, 5145, 5430, 5635, 6174, 6335, 6762, 7245, 7602, 7889, 8145, 8326, 8869, 10143, 10290, 11270, 11403, 12489, 12670, 14490, 15435, 15778, 16290, 16905, 17738, 19005, 20286, 20815, 22806, 23667, 24978, 26607, 29141, 30870, 33810, 37467, 38010, 39445, 41630, 44345, 47334, 50715, 53214, 57015, 58282, 62083, 62445, 71001, 74934, 78890, 79821, 87423, 88690, 101430, 114030, 118335, 124166, 124890, 133035, 142002, 145705, 159642, 174846, 186249, 187335, 203987, 236670, 262269, 266070, 291410, 310415, 355005, 372498, 374670, 399105, 407974, 437115, 524538, 558747, 611961, 620830, 710010, 798210, 874230, 931245, 1019935, 1117494, 1223922, 1311345, 1427909, 1835883, 1862490, 2039870, 2622690, 2793735, 2855818, 3059805, 3671766, 4283727, 5587470, 6119610, 7139545, 8567454, 9179415, 12851181, 14279090, 18358830, 21418635, 25702362, 42837270, 64255905, 128511810]

約数ペア:

[(1, 128511810), (2, 64255905), (3, 42837270), (5, 25702362), (6, 21418635), (7, 18358830), (9, 14279090), (10, 12851181), (14, 9179415), (15, 8567454), (18, 7139545), (21, 6119610), (23, 5587470), (30, 4283727), (35, 3671766), (42, 3059805), (45, 2855818), (46, 2793735), (49, 2622690), (63, 2039870), (69, 1862490), (70, 1835883), (90, 1427909), (98, 1311345), (105, 1223922), (115, 1117494), (126, 1019935), (138, 931245), (147, 874230), (161, 798210), (181, 710010), (207, 620830), (210, 611961), (230, 558747), (245, 524538), (294, 437115), (315, 407974), (322, 399105), (343, 374670), (345, 372498), (362, 355005), (414, 310415), (441, 291410), (483, 266070), (490, 262269), (543, 236670), (630, 203987), (686, 187335), (690, 186249), (735, 174846), (805, 159642), (882, 145705), (905, 142002), (966, 133035), (1029, 124890), (1035, 124166), (1086, 118335), (1127, 114030), (1267, 101430), (1449, 88690), (1470, 87423), (1610, 79821), (1629, 78890), (1715, 74934), (1810, 71001), (2058, 62445), (2070, 62083), (2205, 58282), (2254, 57015), (2415, 53214), (2534, 50715), (2715, 47334), (2898, 44345), (3087, 41630), (3258, 39445), (3381, 38010), (3430, 37467), (3801, 33810), (4163, 30870), (4410, 29141), (4830, 26607), (5145, 24978), (5430, 23667), (5635, 22806), (6174, 20815), (6335, 20286), (6762, 19005), (7245, 17738), (7602, 16905), (7889, 16290), (8145, 15778), (8326, 15435), (8869, 14490), (10143, 12670), (10290, 12489), (11270, 11403)]