28807380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{7621}}^1$

素因数の和:7646

約数の個数: 96

約数和(自身を含む): 102439680

約数和(自身を除く): 73632300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 7621, 15242, 22863, 30484, 38105, 45726, 53347, 68589, 76210, 91452, 106694, 114315, 137178, 152420, 160041, 205767, 213388, 228630, 266735, 274356, 320082, 342945, 411534, 457260, 480123, 533470, 640164, 685890, 800205, 823068, 960246, 1028835, 1066940, 1371780, 1440369, 1600410, 1920492, 2057670, 2400615, 2880738, 3200820, 4115340, 4801230, 5761476, 7201845, 9602460, 14403690, 28807380]

約数ペア:

[(1, 28807380), (2, 14403690), (3, 9602460), (4, 7201845), (5, 5761476), (6, 4801230), (7, 4115340), (9, 3200820), (10, 2880738), (12, 2400615), (14, 2057670), (15, 1920492), (18, 1600410), (20, 1440369), (21, 1371780), (27, 1066940), (28, 1028835), (30, 960246), (35, 823068), (36, 800205), (42, 685890), (45, 640164), (54, 533470), (60, 480123), (63, 457260), (70, 411534), (84, 342945), (90, 320082), (105, 274356), (108, 266735), (126, 228630), (135, 213388), (140, 205767), (180, 160041), (189, 152420), (210, 137178), (252, 114315), (270, 106694), (315, 91452), (378, 76210), (420, 68589), (540, 53347), (630, 45726), (756, 38105), (945, 30484), (1260, 22863), (1890, 15242), (3780, 7621)]