28757640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12613}}^1$

素因数の和:12646

約数の個数: 64

約数和(自身を含む): 90820800

約数和(自身を除く): 62063160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12613, 25226, 37839, 50452, 63065, 75678, 100904, 126130, 151356, 189195, 239647, 252260, 302712, 378390, 479294, 504520, 718941, 756780, 958588, 1198235, 1437882, 1513560, 1917176, 2396470, 2875764, 3594705, 4792940, 5751528, 7189410, 9585880, 14378820, 28757640]

約数ペア:

[(1, 28757640), (2, 14378820), (3, 9585880), (4, 7189410), (5, 5751528), (6, 4792940), (8, 3594705), (10, 2875764), (12, 2396470), (15, 1917176), (19, 1513560), (20, 1437882), (24, 1198235), (30, 958588), (38, 756780), (40, 718941), (57, 504520), (60, 479294), (76, 378390), (95, 302712), (114, 252260), (120, 239647), (152, 189195), (190, 151356), (228, 126130), (285, 100904), (380, 75678), (456, 63065), (570, 50452), (760, 37839), (1140, 25226), (2280, 12613)]