162639440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 397795968

約数和(自身を除く): 235156528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 157, 184, 230, 314, 368, 460, 563, 628, 785, 920, 1126, 1256, 1570, 1840, 2252, 2512, 2815, 3140, 3611, 4504, 5630, 6280, 7222, 9008, 11260, 12560, 12949, 14444, 18055, 22520, 25898, 28888, 36110, 45040, 51796, 57776, 64745, 72220, 88391, 103592, 129490, 144440, 176782, 207184, 258980, 288880, 353564, 441955, 517960, 707128, 883910, 1035920, 1414256, 1767820, 2032993, 3535640, 4065986, 7071280, 8131972, 10164965, 16263944, 20329930, 32527888, 40659860, 81319720, 162639440]

約数ペア:

[(1, 162639440), (2, 81319720), (4, 40659860), (5, 32527888), (8, 20329930), (10, 16263944), (16, 10164965), (20, 8131972), (23, 7071280), (40, 4065986), (46, 3535640), (80, 2032993), (92, 1767820), (115, 1414256), (157, 1035920), (184, 883910), (230, 707128), (314, 517960), (368, 441955), (460, 353564), (563, 288880), (628, 258980), (785, 207184), (920, 176782), (1126, 144440), (1256, 129490), (1570, 103592), (1840, 88391), (2252, 72220), (2512, 64745), (2815, 57776), (3140, 51796), (3611, 45040), (4504, 36110), (5630, 28888), (6280, 25898), (7222, 22520), (9008, 18055), (11260, 14444), (12560, 12949)]