28724520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 96215040

約数和(自身を除く): 67490520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 463, 470, 517, 564, 660, 705, 926, 940, 1034, 1128, 1320, 1389, 1410, 1551, 1852, 1880, 2068, 2315, 2585, 2778, 2820, 3102, 3704, 4136, 4630, 5093, 5170, 5556, 5640, 6204, 6945, 7755, 9260, 10186, 10340, 11112, 12408, 13890, 15279, 15510, 18520, 20372, 20680, 21761, 25465, 27780, 30558, 31020, 40744, 43522, 50930, 55560, 61116, 62040, 65283, 76395, 87044, 101860, 108805, 122232, 130566, 152790, 174088, 203720, 217610, 239371, 261132, 305580, 326415, 435220, 478742, 522264, 611160, 652830, 718113, 870440, 957484, 1196855, 1305660, 1436226, 1914968, 2393710, 2611320, 2872452, 3590565, 4787420, 5744904, 7181130, 9574840, 14362260, 28724520]

約数ペア:

[(1, 28724520), (2, 14362260), (3, 9574840), (4, 7181130), (5, 5744904), (6, 4787420), (8, 3590565), (10, 2872452), (11, 2611320), (12, 2393710), (15, 1914968), (20, 1436226), (22, 1305660), (24, 1196855), (30, 957484), (33, 870440), (40, 718113), (44, 652830), (47, 611160), (55, 522264), (60, 478742), (66, 435220), (88, 326415), (94, 305580), (110, 261132), (120, 239371), (132, 217610), (141, 203720), (165, 174088), (188, 152790), (220, 130566), (235, 122232), (264, 108805), (282, 101860), (330, 87044), (376, 76395), (440, 65283), (463, 62040), (470, 61116), (517, 55560), (564, 50930), (660, 43522), (705, 40744), (926, 31020), (940, 30558), (1034, 27780), (1128, 25465), (1320, 21761), (1389, 20680), (1410, 20372), (1551, 18520), (1852, 15510), (1880, 15279), (2068, 13890), (2315, 12408), (2585, 11112), (2778, 10340), (2820, 10186), (3102, 9260), (3704, 7755), (4136, 6945), (4630, 6204), (5093, 5640), (5170, 5556)]