209950560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{145799}}^1$

素因数の和:145820

約数の個数: 72

約数和(自身を含む): 716461200

約数和(自身を除く): 506510640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 145799, 291598, 437397, 583196, 728995, 874794, 1166392, 1312191, 1457990, 1749588, 2186985, 2332784, 2624382, 2915980, 3499176, 4373970, 4665568, 5248764, 5831960, 6560955, 6998352, 8747940, 10497528, 11663920, 13121910, 13996704, 17495880, 20995056, 23327840, 26243820, 34991760, 41990112, 52487640, 69983520, 104975280, 209950560]

約数ペア:

[(1, 209950560), (2, 104975280), (3, 69983520), (4, 52487640), (5, 41990112), (6, 34991760), (8, 26243820), (9, 23327840), (10, 20995056), (12, 17495880), (15, 13996704), (16, 13121910), (18, 11663920), (20, 10497528), (24, 8747940), (30, 6998352), (32, 6560955), (36, 5831960), (40, 5248764), (45, 4665568), (48, 4373970), (60, 3499176), (72, 2915980), (80, 2624382), (90, 2332784), (96, 2186985), (120, 1749588), (144, 1457990), (160, 1312191), (180, 1166392), (240, 874794), (288, 728995), (360, 583196), (480, 437397), (720, 291598), (1440, 145799)]