156789390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227231}}^1$

素因数の和:227264

約数の個数: 32

約数和(自身を含む): 392656896

約数和(自身を除く): 235867506

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 227231, 454462, 681693, 1136155, 1363386, 2272310, 3408465, 5226313, 6816930, 10452626, 15678939, 26131565, 31357878, 52263130, 78394695, 156789390]

約数ペア:

[(1, 156789390), (2, 78394695), (3, 52263130), (5, 31357878), (6, 26131565), (10, 15678939), (15, 10452626), (23, 6816930), (30, 5226313), (46, 3408465), (69, 2272310), (115, 1363386), (138, 1136155), (230, 681693), (345, 454462), (690, 227231)]