25518780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 93434880

約数和(自身を除く): 67916100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 84, 86, 90, 105, 108, 126, 129, 135, 140, 157, 172, 180, 189, 210, 215, 252, 258, 270, 301, 314, 315, 378, 387, 420, 430, 471, 516, 540, 602, 628, 630, 645, 756, 774, 785, 860, 903, 942, 945, 1099, 1161, 1204, 1260, 1290, 1413, 1505, 1548, 1570, 1806, 1884, 1890, 1935, 2198, 2322, 2355, 2580, 2709, 2826, 3010, 3140, 3297, 3612, 3780, 3870, 4239, 4396, 4515, 4644, 4710, 5418, 5495, 5652, 5805, 6020, 6594, 6751, 7065, 7740, 8127, 8478, 9030, 9420, 9891, 10836, 10990, 11610, 13188, 13502, 13545, 14130, 16254, 16485, 16956, 18060, 19782, 20253, 21195, 21980, 23220, 27004, 27090, 28260, 29673, 32508, 32970, 33755, 39564, 40506, 40635, 42390, 47257, 49455, 54180, 59346, 60759, 65940, 67510, 81012, 81270, 84780, 94514, 98910, 101265, 118692, 121518, 135020, 141771, 148365, 162540, 182277, 189028, 197820, 202530, 236285, 243036, 283542, 296730, 303795, 364554, 405060, 425313, 472570, 567084, 593460, 607590, 708855, 729108, 850626, 911385, 945140, 1215180, 1275939, 1417710, 1701252, 1822770, 2126565, 2551878, 2835420, 3645540, 4253130, 5103756, 6379695, 8506260, 12759390, 25518780]

約数ペア:

[(1, 25518780), (2, 12759390), (3, 8506260), (4, 6379695), (5, 5103756), (6, 4253130), (7, 3645540), (9, 2835420), (10, 2551878), (12, 2126565), (14, 1822770), (15, 1701252), (18, 1417710), (20, 1275939), (21, 1215180), (27, 945140), (28, 911385), (30, 850626), (35, 729108), (36, 708855), (42, 607590), (43, 593460), (45, 567084), (54, 472570), (60, 425313), (63, 405060), (70, 364554), (84, 303795), (86, 296730), (90, 283542), (105, 243036), (108, 236285), (126, 202530), (129, 197820), (135, 189028), (140, 182277), (157, 162540), (172, 148365), (180, 141771), (189, 135020), (210, 121518), (215, 118692), (252, 101265), (258, 98910), (270, 94514), (301, 84780), (314, 81270), (315, 81012), (378, 67510), (387, 65940), (420, 60759), (430, 59346), (471, 54180), (516, 49455), (540, 47257), (602, 42390), (628, 40635), (630, 40506), (645, 39564), (756, 33755), (774, 32970), (785, 32508), (860, 29673), (903, 28260), (942, 27090), (945, 27004), (1099, 23220), (1161, 21980), (1204, 21195), (1260, 20253), (1290, 19782), (1413, 18060), (1505, 16956), (1548, 16485), (1570, 16254), (1806, 14130), (1884, 13545), (1890, 13502), (1935, 13188), (2198, 11610), (2322, 10990), (2355, 10836), (2580, 9891), (2709, 9420), (2826, 9030), (3010, 8478), (3140, 8127), (3297, 7740), (3612, 7065), (3780, 6751), (3870, 6594), (4239, 6020), (4396, 5805), (4515, 5652), (4644, 5495), (4710, 5418)]