28248840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{599}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 92664000

約数和(自身を除く): 64415160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 131, 180, 262, 360, 393, 524, 599, 655, 786, 1048, 1179, 1198, 1310, 1572, 1797, 1965, 2358, 2396, 2620, 2995, 3144, 3594, 3930, 4716, 4792, 5240, 5391, 5895, 5990, 7188, 7860, 8985, 9432, 10782, 11790, 11980, 14376, 15720, 17970, 21564, 23580, 23960, 26955, 35940, 43128, 47160, 53910, 71880, 78469, 107820, 156938, 215640, 235407, 313876, 392345, 470814, 627752, 706221, 784690, 941628, 1177035, 1412442, 1569380, 1883256, 2354070, 2824884, 3138760, 3531105, 4708140, 5649768, 7062210, 9416280, 14124420, 28248840]

約数ペア:

[(1, 28248840), (2, 14124420), (3, 9416280), (4, 7062210), (5, 5649768), (6, 4708140), (8, 3531105), (9, 3138760), (10, 2824884), (12, 2354070), (15, 1883256), (18, 1569380), (20, 1412442), (24, 1177035), (30, 941628), (36, 784690), (40, 706221), (45, 627752), (60, 470814), (72, 392345), (90, 313876), (120, 235407), (131, 215640), (180, 156938), (262, 107820), (360, 78469), (393, 71880), (524, 53910), (599, 47160), (655, 43128), (786, 35940), (1048, 26955), (1179, 23960), (1198, 23580), (1310, 21564), (1572, 17970), (1797, 15720), (1965, 14376), (2358, 11980), (2396, 11790), (2620, 10782), (2995, 9432), (3144, 8985), (3594, 7860), (3930, 7188), (4716, 5990), (4792, 5895), (5240, 5391)]