28391160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:557

約数の個数: 128

約数和(自身を含む): 98887680

約数和(自身を除く): 70496520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 463, 511, 584, 730, 840, 876, 926, 1022, 1095, 1389, 1460, 1533, 1752, 1852, 2044, 2190, 2315, 2555, 2778, 2920, 3066, 3241, 3704, 4088, 4380, 4630, 5110, 5556, 6132, 6482, 6945, 7665, 8760, 9260, 9723, 10220, 11112, 12264, 12964, 13890, 15330, 16205, 18520, 19446, 20440, 25928, 27780, 30660, 32410, 33799, 38892, 48615, 55560, 61320, 64820, 67598, 77784, 97230, 101397, 129640, 135196, 168995, 194460, 202794, 236593, 270392, 337990, 388920, 405588, 473186, 506985, 675980, 709779, 811176, 946372, 1013970, 1182965, 1351960, 1419558, 1892744, 2027940, 2365930, 2839116, 3548895, 4055880, 4731860, 5678232, 7097790, 9463720, 14195580, 28391160]

約数ペア:

[(1, 28391160), (2, 14195580), (3, 9463720), (4, 7097790), (5, 5678232), (6, 4731860), (7, 4055880), (8, 3548895), (10, 2839116), (12, 2365930), (14, 2027940), (15, 1892744), (20, 1419558), (21, 1351960), (24, 1182965), (28, 1013970), (30, 946372), (35, 811176), (40, 709779), (42, 675980), (56, 506985), (60, 473186), (70, 405588), (73, 388920), (84, 337990), (105, 270392), (120, 236593), (140, 202794), (146, 194460), (168, 168995), (210, 135196), (219, 129640), (280, 101397), (292, 97230), (365, 77784), (420, 67598), (438, 64820), (463, 61320), (511, 55560), (584, 48615), (730, 38892), (840, 33799), (876, 32410), (926, 30660), (1022, 27780), (1095, 25928), (1389, 20440), (1460, 19446), (1533, 18520), (1752, 16205), (1852, 15330), (2044, 13890), (2190, 12964), (2315, 12264), (2555, 11112), (2778, 10220), (2920, 9723), (3066, 9260), (3241, 8760), (3704, 7665), (4088, 6945), (4380, 6482), (4630, 6132), (5110, 5556)]