198699720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87149}}^1$

素因数の和:87182

約数の個数: 64

約数和(自身を含む): 627480000

約数和(自身を除く): 428780280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 87149, 174298, 261447, 348596, 435745, 522894, 697192, 871490, 1045788, 1307235, 1655831, 1742980, 2091576, 2614470, 3311662, 3485960, 4967493, 5228940, 6623324, 8279155, 9934986, 10457880, 13246648, 16558310, 19869972, 24837465, 33116620, 39739944, 49674930, 66233240, 99349860, 198699720]

約数ペア:

[(1, 198699720), (2, 99349860), (3, 66233240), (4, 49674930), (5, 39739944), (6, 33116620), (8, 24837465), (10, 19869972), (12, 16558310), (15, 13246648), (19, 10457880), (20, 9934986), (24, 8279155), (30, 6623324), (38, 5228940), (40, 4967493), (57, 3485960), (60, 3311662), (76, 2614470), (95, 2091576), (114, 1742980), (120, 1655831), (152, 1307235), (190, 1045788), (228, 871490), (285, 697192), (380, 522894), (456, 435745), (570, 348596), (760, 261447), (1140, 174298), (2280, 87149)]