1820892780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{85009}}^1$

素因数の和:85048

約数の個数: 144

約数和(自身を含む): 6683826240

約数和(自身を除く): 4862933460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 21420, 85009, 170018, 255027, 340036, 425045, 510054, 595063, 765081, 850090, 1020108, 1190126, 1275135, 1445153, 1530162, 1700180, 1785189, 2380252, 2550270, 2890306, 2975315, 3060324, 3570378, 3825405, 4335459, 5100540, 5355567, 5780612, 5950630, 7140756, 7225765, 7650810, 8670918, 8925945, 10116071, 10711134, 11901260, 13006377, 14451530, 15301620, 17341836, 17851890, 20232142, 21422268, 21677295, 26012754, 26777835, 28903060, 30348213, 35703780, 40464284, 43354590, 50580355, 52025508, 53555670, 60696426, 65031885, 86709180, 91044639, 101160710, 107111340, 121392852, 130063770, 151741065, 182089278, 202321420, 260127540, 303482130, 364178556, 455223195, 606964260, 910446390, 1820892780]

約数ペア:

[(1, 1820892780), (2, 910446390), (3, 606964260), (4, 455223195), (5, 364178556), (6, 303482130), (7, 260127540), (9, 202321420), (10, 182089278), (12, 151741065), (14, 130063770), (15, 121392852), (17, 107111340), (18, 101160710), (20, 91044639), (21, 86709180), (28, 65031885), (30, 60696426), (34, 53555670), (35, 52025508), (36, 50580355), (42, 43354590), (45, 40464284), (51, 35703780), (60, 30348213), (63, 28903060), (68, 26777835), (70, 26012754), (84, 21677295), (85, 21422268), (90, 20232142), (102, 17851890), (105, 17341836), (119, 15301620), (126, 14451530), (140, 13006377), (153, 11901260), (170, 10711134), (180, 10116071), (204, 8925945), (210, 8670918), (238, 7650810), (252, 7225765), (255, 7140756), (306, 5950630), (315, 5780612), (340, 5355567), (357, 5100540), (420, 4335459), (476, 3825405), (510, 3570378), (595, 3060324), (612, 2975315), (630, 2890306), (714, 2550270), (765, 2380252), (1020, 1785189), (1071, 1700180), (1190, 1530162), (1260, 1445153), (1428, 1275135), (1530, 1190126), (1785, 1020108), (2142, 850090), (2380, 765081), (3060, 595063), (3570, 510054), (4284, 425045), (5355, 340036), (7140, 255027), (10710, 170018), (21420, 85009)]