209499120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{290971}}^1$

素因数の和:290990

約数の個数: 60

約数和(自身を含む): 703570296

約数和(自身を除く): 494071176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 290971, 581942, 872913, 1163884, 1454855, 1745826, 2327768, 2618739, 2909710, 3491652, 4364565, 4655536, 5237478, 5819420, 6983304, 8729130, 10474956, 11638840, 13093695, 13966608, 17458260, 20949912, 23277680, 26187390, 34916520, 41899824, 52374780, 69833040, 104749560, 209499120]

約数ペア:

[(1, 209499120), (2, 104749560), (3, 69833040), (4, 52374780), (5, 41899824), (6, 34916520), (8, 26187390), (9, 23277680), (10, 20949912), (12, 17458260), (15, 13966608), (16, 13093695), (18, 11638840), (20, 10474956), (24, 8729130), (30, 6983304), (36, 5819420), (40, 5237478), (45, 4655536), (48, 4364565), (60, 3491652), (72, 2909710), (80, 2618739), (90, 2327768), (120, 1745826), (144, 1454855), (180, 1163884), (240, 872913), (360, 581942), (720, 290971)]