55188780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21391}}^1$

素因数の和:21446

約数の個数: 48

約数和(自身を含む): 158129664

約数和(自身を除く): 102940884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 21391, 42782, 64173, 85564, 106955, 128346, 213910, 256692, 320865, 427820, 641730, 919813, 1283460, 1839626, 2759439, 3679252, 4599065, 5518878, 9198130, 11037756, 13797195, 18396260, 27594390, 55188780]

約数ペア:

[(1, 55188780), (2, 27594390), (3, 18396260), (4, 13797195), (5, 11037756), (6, 9198130), (10, 5518878), (12, 4599065), (15, 3679252), (20, 2759439), (30, 1839626), (43, 1283460), (60, 919813), (86, 641730), (129, 427820), (172, 320865), (215, 256692), (258, 213910), (430, 128346), (516, 106955), (645, 85564), (860, 64173), (1290, 42782), (2580, 21391)]