15281300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 35857080

約数和(自身を除く): 20575780

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 89, 100, 101, 170, 178, 202, 340, 356, 404, 425, 445, 505, 850, 890, 1010, 1513, 1700, 1717, 1780, 2020, 2225, 2525, 3026, 3434, 4450, 5050, 6052, 6868, 7565, 8585, 8900, 8989, 10100, 15130, 17170, 17978, 30260, 34340, 35956, 37825, 42925, 44945, 75650, 85850, 89890, 151300, 152813, 171700, 179780, 224725, 305626, 449450, 611252, 764065, 898900, 1528130, 3056260, 3820325, 7640650, 15281300]

約数ペア:

[(1, 15281300), (2, 7640650), (4, 3820325), (5, 3056260), (10, 1528130), (17, 898900), (20, 764065), (25, 611252), (34, 449450), (50, 305626), (68, 224725), (85, 179780), (89, 171700), (100, 152813), (101, 151300), (170, 89890), (178, 85850), (202, 75650), (340, 44945), (356, 42925), (404, 37825), (425, 35956), (445, 34340), (505, 30260), (850, 17978), (890, 17170), (1010, 15130), (1513, 10100), (1700, 8989), (1717, 8900), (1780, 8585), (2020, 7565), (2225, 6868), (2525, 6052), (3026, 5050), (3434, 4450)]