642520440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{104987}}^1$

素因数の和:105021

約数の個数: 96

約数和(自身を含む): 2211047280

約数和(自身を除く): 1568526840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 104987, 209974, 314961, 419948, 524935, 629922, 839896, 944883, 1049870, 1259844, 1574805, 1784779, 1889766, 2099740, 2519688, 3149610, 3569558, 3779532, 4199480, 4724415, 5354337, 6299220, 7139116, 7559064, 8923895, 9448830, 10708674, 12598440, 14278232, 16063011, 17847790, 18897660, 21417348, 26771685, 32126022, 35695580, 37795320, 42834696, 53543370, 64252044, 71391160, 80315055, 107086740, 128504088, 160630110, 214173480, 321260220, 642520440]

約数ペア:

[(1, 642520440), (2, 321260220), (3, 214173480), (4, 160630110), (5, 128504088), (6, 107086740), (8, 80315055), (9, 71391160), (10, 64252044), (12, 53543370), (15, 42834696), (17, 37795320), (18, 35695580), (20, 32126022), (24, 26771685), (30, 21417348), (34, 18897660), (36, 17847790), (40, 16063011), (45, 14278232), (51, 12598440), (60, 10708674), (68, 9448830), (72, 8923895), (85, 7559064), (90, 7139116), (102, 6299220), (120, 5354337), (136, 4724415), (153, 4199480), (170, 3779532), (180, 3569558), (204, 3149610), (255, 2519688), (306, 2099740), (340, 1889766), (360, 1784779), (408, 1574805), (510, 1259844), (612, 1049870), (680, 944883), (765, 839896), (1020, 629922), (1224, 524935), (1530, 419948), (2040, 314961), (3060, 209974), (6120, 104987)]