28725480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11399}}^1$

素因数の和:11423

約数の個数: 96

約数和(自身を含む): 106704000

約数和(自身を除く): 77978520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 11399, 22798, 34197, 45596, 56995, 68394, 79793, 91192, 102591, 113990, 136788, 159586, 170985, 205182, 227980, 239379, 273576, 319172, 341970, 398965, 410364, 455960, 478758, 512955, 638344, 683940, 718137, 797930, 820728, 957516, 1025910, 1196895, 1367880, 1436274, 1595860, 1915032, 2051820, 2393790, 2872548, 3191720, 3590685, 4103640, 4787580, 5745096, 7181370, 9575160, 14362740, 28725480]

約数ペア:

[(1, 28725480), (2, 14362740), (3, 9575160), (4, 7181370), (5, 5745096), (6, 4787580), (7, 4103640), (8, 3590685), (9, 3191720), (10, 2872548), (12, 2393790), (14, 2051820), (15, 1915032), (18, 1595860), (20, 1436274), (21, 1367880), (24, 1196895), (28, 1025910), (30, 957516), (35, 820728), (36, 797930), (40, 718137), (42, 683940), (45, 638344), (56, 512955), (60, 478758), (63, 455960), (70, 410364), (72, 398965), (84, 341970), (90, 319172), (105, 273576), (120, 239379), (126, 227980), (140, 205182), (168, 170985), (180, 159586), (210, 136788), (252, 113990), (280, 102591), (315, 91192), (360, 79793), (420, 68394), (504, 56995), (630, 45596), (840, 34197), (1260, 22798), (2520, 11399)]