19958877360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9240221}}^1$

素因数の和:9240243

約数の個数: 80

約数和(自身を含む): 68747251680

約数和(自身を除く): 48788374320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9240221, 18480442, 27720663, 36960884, 46201105, 55441326, 73921768, 83161989, 92402210, 110882652, 138603315, 147843536, 166323978, 184804420, 221765304, 249485967, 277206630, 332647956, 369608840, 415809945, 443530608, 498971934, 554413260, 665295912, 739217680, 831619890, 997943868, 1108826520, 1247429835, 1330591824, 1663239780, 1995887736, 2217653040, 2494859670, 3326479560, 3991775472, 4989719340, 6652959120, 9979438680, 19958877360]

約数ペア:

[(1, 19958877360), (2, 9979438680), (3, 6652959120), (4, 4989719340), (5, 3991775472), (6, 3326479560), (8, 2494859670), (9, 2217653040), (10, 1995887736), (12, 1663239780), (15, 1330591824), (16, 1247429835), (18, 1108826520), (20, 997943868), (24, 831619890), (27, 739217680), (30, 665295912), (36, 554413260), (40, 498971934), (45, 443530608), (48, 415809945), (54, 369608840), (60, 332647956), (72, 277206630), (80, 249485967), (90, 221765304), (108, 184804420), (120, 166323978), (135, 147843536), (144, 138603315), (180, 110882652), (216, 92402210), (240, 83161989), (270, 73921768), (360, 55441326), (432, 46201105), (540, 36960884), (720, 27720663), (1080, 18480442), (2160, 9240221)]