157431040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9461}}^1$

素因数の和:9495

約数の個数: 72

約数和(自身を含む): 406146888

約数和(自身を除く): 248715848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 9461, 16640, 18922, 37844, 47305, 75688, 94610, 122993, 151376, 189220, 245986, 302752, 378440, 491972, 605504, 614965, 756880, 983944, 1211008, 1229930, 1513760, 1967888, 2422016, 2459860, 3027520, 3935776, 4919720, 6055040, 7871552, 9839440, 12110080, 15743104, 19678880, 31486208, 39357760, 78715520, 157431040]

約数ペア:

[(1, 157431040), (2, 78715520), (4, 39357760), (5, 31486208), (8, 19678880), (10, 15743104), (13, 12110080), (16, 9839440), (20, 7871552), (26, 6055040), (32, 4919720), (40, 3935776), (52, 3027520), (64, 2459860), (65, 2422016), (80, 1967888), (104, 1513760), (128, 1229930), (130, 1211008), (160, 983944), (208, 756880), (256, 614965), (260, 605504), (320, 491972), (416, 378440), (520, 302752), (640, 245986), (832, 189220), (1040, 151376), (1280, 122993), (1664, 94610), (2080, 75688), (3328, 47305), (4160, 37844), (8320, 18922), (9461, 16640)]