281435820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1871}}^1$

素因数の和:2015

約数の個数: 96

約数和(自身を含む): 830269440

約数和(自身を除く): 548833620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 109, 115, 138, 218, 230, 276, 327, 345, 436, 460, 545, 654, 690, 1090, 1308, 1380, 1635, 1871, 2180, 2507, 3270, 3742, 5014, 5613, 6540, 7484, 7521, 9355, 10028, 11226, 12535, 15042, 18710, 22452, 25070, 28065, 30084, 37420, 37605, 43033, 50140, 56130, 75210, 86066, 112260, 129099, 150420, 172132, 203939, 215165, 258198, 407878, 430330, 516396, 611817, 645495, 815756, 860660, 1019695, 1223634, 1290990, 2039390, 2447268, 2581980, 3059085, 4078780, 4690597, 6118170, 9381194, 12236340, 14071791, 18762388, 23452985, 28143582, 46905970, 56287164, 70358955, 93811940, 140717910, 281435820]

約数ペア:

[(1, 281435820), (2, 140717910), (3, 93811940), (4, 70358955), (5, 56287164), (6, 46905970), (10, 28143582), (12, 23452985), (15, 18762388), (20, 14071791), (23, 12236340), (30, 9381194), (46, 6118170), (60, 4690597), (69, 4078780), (92, 3059085), (109, 2581980), (115, 2447268), (138, 2039390), (218, 1290990), (230, 1223634), (276, 1019695), (327, 860660), (345, 815756), (436, 645495), (460, 611817), (545, 516396), (654, 430330), (690, 407878), (1090, 258198), (1308, 215165), (1380, 203939), (1635, 172132), (1871, 150420), (2180, 129099), (2507, 112260), (3270, 86066), (3742, 75210), (5014, 56130), (5613, 50140), (6540, 43033), (7484, 37605), (7521, 37420), (9355, 30084), (10028, 28065), (11226, 25070), (12535, 22452), (15042, 18710)]