42387390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20477}}^1$

素因数の和:20513

約数の個数: 48

約数和(自身を含む): 115004448

約数和(自身を除く): 72617058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 20477, 40954, 61431, 102385, 122862, 184293, 204770, 307155, 368586, 470971, 614310, 921465, 941942, 1412913, 1842930, 2354855, 2825826, 4238739, 4709710, 7064565, 8477478, 14129130, 21193695, 42387390]

約数ペア:

[(1, 42387390), (2, 21193695), (3, 14129130), (5, 8477478), (6, 7064565), (9, 4709710), (10, 4238739), (15, 2825826), (18, 2354855), (23, 1842930), (30, 1412913), (45, 941942), (46, 921465), (69, 614310), (90, 470971), (115, 368586), (138, 307155), (207, 204770), (230, 184293), (345, 122862), (414, 102385), (690, 61431), (1035, 40954), (2070, 20477)]