145749760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 396617760

約数和(自身を除く): 250868000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 256, 260, 304, 320, 380, 416, 461, 494, 520, 608, 640, 760, 832, 922, 988, 1040, 1216, 1235, 1280, 1520, 1664, 1844, 1976, 2080, 2305, 2432, 2470, 3040, 3328, 3688, 3952, 4160, 4610, 4864, 4940, 5993, 6080, 7376, 7904, 8320, 8759, 9220, 9880, 11986, 12160, 14752, 15808, 16640, 17518, 18440, 19760, 23972, 24320, 29504, 29965, 31616, 35036, 36880, 39520, 43795, 47944, 59008, 59930, 63232, 70072, 73760, 79040, 87590, 95888, 113867, 118016, 119860, 140144, 147520, 158080, 175180, 191776, 227734, 239720, 280288, 295040, 316160, 350360, 383552, 455468, 479440, 560576, 569335, 590080, 700720, 767104, 910936, 958880, 1121152, 1138670, 1401440, 1534208, 1821872, 1917760, 2242304, 2277340, 2802880, 3643744, 3835520, 4554680, 5605760, 7287488, 7671040, 9109360, 11211520, 14574976, 18218720, 29149952, 36437440, 72874880, 145749760]

約数ペア:

[(1, 145749760), (2, 72874880), (4, 36437440), (5, 29149952), (8, 18218720), (10, 14574976), (13, 11211520), (16, 9109360), (19, 7671040), (20, 7287488), (26, 5605760), (32, 4554680), (38, 3835520), (40, 3643744), (52, 2802880), (64, 2277340), (65, 2242304), (76, 1917760), (80, 1821872), (95, 1534208), (104, 1401440), (128, 1138670), (130, 1121152), (152, 958880), (160, 910936), (190, 767104), (208, 700720), (247, 590080), (256, 569335), (260, 560576), (304, 479440), (320, 455468), (380, 383552), (416, 350360), (461, 316160), (494, 295040), (520, 280288), (608, 239720), (640, 227734), (760, 191776), (832, 175180), (922, 158080), (988, 147520), (1040, 140144), (1216, 119860), (1235, 118016), (1280, 113867), (1520, 95888), (1664, 87590), (1844, 79040), (1976, 73760), (2080, 70072), (2305, 63232), (2432, 59930), (2470, 59008), (3040, 47944), (3328, 43795), (3688, 39520), (3952, 36880), (4160, 35036), (4610, 31616), (4864, 29965), (4940, 29504), (5993, 24320), (6080, 23972), (7376, 19760), (7904, 18440), (8320, 17518), (8759, 16640), (9220, 15808), (9880, 14752), (11986, 12160)]