72539240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2131}}^1$

素因数の和:2202

約数の個数: 64

約数和(自身を含む): 174994560

約数和(自身を除く): 102455320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 2131, 3404, 4255, 4262, 6808, 8510, 8524, 10655, 17020, 17048, 21310, 34040, 42620, 49013, 78847, 85240, 98026, 157694, 196052, 245065, 315388, 392104, 394235, 490130, 630776, 788470, 980260, 1576940, 1813481, 1960520, 3153880, 3626962, 7253924, 9067405, 14507848, 18134810, 36269620, 72539240]

約数ペア:

[(1, 72539240), (2, 36269620), (4, 18134810), (5, 14507848), (8, 9067405), (10, 7253924), (20, 3626962), (23, 3153880), (37, 1960520), (40, 1813481), (46, 1576940), (74, 980260), (92, 788470), (115, 630776), (148, 490130), (184, 394235), (185, 392104), (230, 315388), (296, 245065), (370, 196052), (460, 157694), (740, 98026), (851, 85240), (920, 78847), (1480, 49013), (1702, 42620), (2131, 34040), (3404, 21310), (4255, 17048), (4262, 17020), (6808, 10655), (8510, 8524)]