30541720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1693}}^1$

素因数の和:1756

約数の個数: 64

約数和(自身を含む): 76839840

約数和(自身を除く): 46298120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1693, 1804, 2255, 3386, 3608, 4510, 6772, 8465, 9020, 13544, 16930, 18040, 18623, 33860, 37246, 67720, 69413, 74492, 93115, 138826, 148984, 186230, 277652, 347065, 372460, 555304, 694130, 744920, 763543, 1388260, 1527086, 2776520, 3054172, 3817715, 6108344, 7635430, 15270860, 30541720]

約数ペア:

[(1, 30541720), (2, 15270860), (4, 7635430), (5, 6108344), (8, 3817715), (10, 3054172), (11, 2776520), (20, 1527086), (22, 1388260), (40, 763543), (41, 744920), (44, 694130), (55, 555304), (82, 372460), (88, 347065), (110, 277652), (164, 186230), (205, 148984), (220, 138826), (328, 93115), (410, 74492), (440, 69413), (451, 67720), (820, 37246), (902, 33860), (1640, 18623), (1693, 18040), (1804, 16930), (2255, 13544), (3386, 9020), (3608, 8465), (4510, 6772)]