156720390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227131}}^1$

素因数の和:227164

約数の個数: 32

約数和(自身を含む): 392484096

約数和(自身を除く): 235763706

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 227131, 454262, 681393, 1135655, 1362786, 2271310, 3406965, 5224013, 6813930, 10448026, 15672039, 26120065, 31344078, 52240130, 78360195, 156720390]

約数ペア:

[(1, 156720390), (2, 78360195), (3, 52240130), (5, 31344078), (6, 26120065), (10, 15672039), (15, 10448026), (23, 6813930), (30, 5224013), (46, 3406965), (69, 2271310), (115, 1362786), (138, 1135655), (230, 681393), (345, 454262), (690, 227131)]