72874880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:512

約数の個数: 128

約数和(自身を含む): 197920800

約数和(自身を除く): 125045920

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, 260, 304, 320, 380, 416, 461, 494, 520, 608, 640, 760, 832, 922, 988, 1040, 1216, 1235, 1520, 1664, 1844, 1976, 2080, 2305, 2432, 2470, 3040, 3688, 3952, 4160, 4610, 4940, 5993, 6080, 7376, 7904, 8320, 8759, 9220, 9880, 11986, 12160, 14752, 15808, 17518, 18440, 19760, 23972, 29504, 29965, 31616, 35036, 36880, 39520, 43795, 47944, 59008, 59930, 70072, 73760, 79040, 87590, 95888, 113867, 119860, 140144, 147520, 158080, 175180, 191776, 227734, 239720, 280288, 295040, 350360, 383552, 455468, 479440, 560576, 569335, 700720, 767104, 910936, 958880, 1121152, 1138670, 1401440, 1821872, 1917760, 2277340, 2802880, 3643744, 3835520, 4554680, 5605760, 7287488, 9109360, 14574976, 18218720, 36437440, 72874880]

約数ペア:

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