205425360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{40759}}^1$

素因数の和:40785

約数の個数: 120

約数和(自身を含む): 788461440

約数和(自身を除く): 583036080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 40759, 81518, 122277, 163036, 203795, 244554, 285313, 326072, 366831, 407590, 489108, 570626, 611385, 652144, 733662, 815180, 855939, 978216, 1141252, 1222770, 1426565, 1467324, 1630360, 1711878, 1834155, 1956432, 2282504, 2445540, 2567817, 2853130, 2934648, 3260720, 3423756, 3668310, 4279695, 4565008, 4891080, 5135634, 5706260, 5869296, 6847512, 7336620, 8559390, 9782160, 10271268, 11412520, 12839085, 13695024, 14673240, 17118780, 20542536, 22825040, 25678170, 29346480, 34237560, 41085072, 51356340, 68475120, 102712680, 205425360]

約数ペア:

[(1, 205425360), (2, 102712680), (3, 68475120), (4, 51356340), (5, 41085072), (6, 34237560), (7, 29346480), (8, 25678170), (9, 22825040), (10, 20542536), (12, 17118780), (14, 14673240), (15, 13695024), (16, 12839085), (18, 11412520), (20, 10271268), (21, 9782160), (24, 8559390), (28, 7336620), (30, 6847512), (35, 5869296), (36, 5706260), (40, 5135634), (42, 4891080), (45, 4565008), (48, 4279695), (56, 3668310), (60, 3423756), (63, 3260720), (70, 2934648), (72, 2853130), (80, 2567817), (84, 2445540), (90, 2282504), (105, 1956432), (112, 1834155), (120, 1711878), (126, 1630360), (140, 1467324), (144, 1426565), (168, 1222770), (180, 1141252), (210, 978216), (240, 855939), (252, 815180), (280, 733662), (315, 652144), (336, 611385), (360, 570626), (420, 489108), (504, 407590), (560, 366831), (630, 326072), (720, 285313), (840, 244554), (1008, 203795), (1260, 163036), (1680, 122277), (2520, 81518), (5040, 40759)]