28168960

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 68801040

約数和(自身を除く): 40632080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 373, 472, 590, 640, 746, 944, 1180, 1280, 1492, 1865, 1888, 2360, 2984, 3730, 3776, 4720, 5968, 7460, 7552, 9440, 11936, 14920, 15104, 18880, 22007, 23872, 29840, 37760, 44014, 47744, 59680, 75520, 88028, 95488, 110035, 119360, 176056, 220070, 238720, 352112, 440140, 477440, 704224, 880280, 1408448, 1760560, 2816896, 3521120, 5633792, 7042240, 14084480, 28168960]

約数ペア:

[(1, 28168960), (2, 14084480), (4, 7042240), (5, 5633792), (8, 3521120), (10, 2816896), (16, 1760560), (20, 1408448), (32, 880280), (40, 704224), (59, 477440), (64, 440140), (80, 352112), (118, 238720), (128, 220070), (160, 176056), (236, 119360), (256, 110035), (295, 95488), (320, 88028), (373, 75520), (472, 59680), (590, 47744), (640, 44014), (746, 37760), (944, 29840), (1180, 23872), (1280, 22007), (1492, 18880), (1865, 15104), (1888, 14920), (2360, 11936), (2984, 9440), (3730, 7552), (3776, 7460), (4720, 5968)]