28377420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 86220288

約数和(自身を除く): 57842868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 129, 170, 172, 204, 215, 255, 258, 340, 430, 510, 516, 645, 647, 731, 860, 1020, 1290, 1294, 1462, 1941, 2193, 2580, 2588, 2924, 3235, 3655, 3882, 4386, 6470, 7310, 7764, 8772, 9705, 10965, 10999, 12940, 14620, 19410, 21930, 21998, 27821, 32997, 38820, 43860, 43996, 54995, 55642, 65994, 83463, 109990, 111284, 131988, 139105, 164985, 166926, 219980, 278210, 329970, 333852, 417315, 472957, 556420, 659940, 834630, 945914, 1418871, 1669260, 1891828, 2364785, 2837742, 4729570, 5675484, 7094355, 9459140, 14188710, 28377420]

約数ペア:

[(1, 28377420), (2, 14188710), (3, 9459140), (4, 7094355), (5, 5675484), (6, 4729570), (10, 2837742), (12, 2364785), (15, 1891828), (17, 1669260), (20, 1418871), (30, 945914), (34, 834630), (43, 659940), (51, 556420), (60, 472957), (68, 417315), (85, 333852), (86, 329970), (102, 278210), (129, 219980), (170, 166926), (172, 164985), (204, 139105), (215, 131988), (255, 111284), (258, 109990), (340, 83463), (430, 65994), (510, 55642), (516, 54995), (645, 43996), (647, 43860), (731, 38820), (860, 32997), (1020, 27821), (1290, 21998), (1294, 21930), (1462, 19410), (1941, 14620), (2193, 12940), (2580, 10999), (2588, 10965), (2924, 9705), (3235, 8772), (3655, 7764), (3882, 7310), (4386, 6470)]