65440620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 228953088

約数和(自身を除く): 163512468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 167, 180, 210, 252, 311, 315, 334, 420, 501, 622, 630, 668, 835, 933, 1002, 1169, 1244, 1260, 1503, 1555, 1670, 1866, 2004, 2177, 2338, 2505, 2799, 3006, 3110, 3340, 3507, 3732, 4354, 4665, 4676, 5010, 5598, 5845, 6012, 6220, 6531, 7014, 7515, 8708, 9330, 10020, 10521, 10885, 11196, 11690, 13062, 13995, 14028, 15030, 17535, 18660, 19593, 21042, 21770, 23380, 26124, 27990, 30060, 32655, 35070, 39186, 42084, 43540, 51937, 52605, 55980, 65310, 70140, 78372, 97965, 103874, 105210, 130620, 155811, 195930, 207748, 210420, 259685, 311622, 363559, 391860, 467433, 519370, 623244, 727118, 779055, 934866, 1038740, 1090677, 1454236, 1558110, 1817795, 1869732, 2181354, 2337165, 3116220, 3272031, 3635590, 4362708, 4674330, 5453385, 6544062, 7271180, 9348660, 10906770, 13088124, 16360155, 21813540, 32720310, 65440620]

約数ペア:

[(1, 65440620), (2, 32720310), (3, 21813540), (4, 16360155), (5, 13088124), (6, 10906770), (7, 9348660), (9, 7271180), (10, 6544062), (12, 5453385), (14, 4674330), (15, 4362708), (18, 3635590), (20, 3272031), (21, 3116220), (28, 2337165), (30, 2181354), (35, 1869732), (36, 1817795), (42, 1558110), (45, 1454236), (60, 1090677), (63, 1038740), (70, 934866), (84, 779055), (90, 727118), (105, 623244), (126, 519370), (140, 467433), (167, 391860), (180, 363559), (210, 311622), (252, 259685), (311, 210420), (315, 207748), (334, 195930), (420, 155811), (501, 130620), (622, 105210), (630, 103874), (668, 97965), (835, 78372), (933, 70140), (1002, 65310), (1169, 55980), (1244, 52605), (1260, 51937), (1503, 43540), (1555, 42084), (1670, 39186), (1866, 35070), (2004, 32655), (2177, 30060), (2338, 27990), (2505, 26124), (2799, 23380), (3006, 21770), (3110, 21042), (3340, 19593), (3507, 18660), (3732, 17535), (4354, 15030), (4665, 14028), (4676, 13995), (5010, 13062), (5598, 11690), (5845, 11196), (6012, 10885), (6220, 10521), (6531, 10020), (7014, 9330), (7515, 8708)]