73439920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 106548560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 167, 184, 230, 239, 334, 368, 460, 478, 668, 835, 920, 956, 1195, 1336, 1670, 1840, 1912, 2390, 2672, 3340, 3824, 3841, 4780, 5497, 6680, 7682, 9560, 10994, 13360, 15364, 19120, 19205, 21988, 27485, 30728, 38410, 39913, 43976, 54970, 61456, 76820, 79826, 87952, 109940, 153640, 159652, 199565, 219880, 307280, 319304, 399130, 439760, 638608, 798260, 917999, 1596520, 1835998, 3193040, 3671996, 4589995, 7343992, 9179990, 14687984, 18359980, 36719960, 73439920]

約数ペア:

[(1, 73439920), (2, 36719960), (4, 18359980), (5, 14687984), (8, 9179990), (10, 7343992), (16, 4589995), (20, 3671996), (23, 3193040), (40, 1835998), (46, 1596520), (80, 917999), (92, 798260), (115, 638608), (167, 439760), (184, 399130), (230, 319304), (239, 307280), (334, 219880), (368, 199565), (460, 159652), (478, 153640), (668, 109940), (835, 87952), (920, 79826), (956, 76820), (1195, 61456), (1336, 54970), (1670, 43976), (1840, 39913), (1912, 38410), (2390, 30728), (2672, 27485), (3340, 21988), (3824, 19205), (3841, 19120), (4780, 15364), (5497, 13360), (6680, 10994), (7682, 9560)]