30642660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 98594496

約数和(自身を除く): 67951836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 74, 86, 90, 107, 111, 129, 148, 172, 180, 185, 214, 215, 222, 258, 321, 333, 370, 387, 428, 430, 444, 516, 535, 555, 642, 645, 666, 740, 774, 860, 963, 1070, 1110, 1284, 1290, 1332, 1548, 1591, 1605, 1665, 1926, 1935, 2140, 2220, 2580, 3182, 3210, 3330, 3852, 3870, 3959, 4601, 4773, 4815, 6364, 6420, 6660, 7740, 7918, 7955, 9202, 9546, 9630, 11877, 13803, 14319, 15836, 15910, 18404, 19092, 19260, 19795, 23005, 23754, 23865, 27606, 28638, 31820, 35631, 39590, 41409, 46010, 47508, 47730, 55212, 57276, 59385, 69015, 71262, 71595, 79180, 82818, 92020, 95460, 118770, 138030, 142524, 143190, 165636, 170237, 178155, 207045, 237540, 276060, 286380, 340474, 356310, 414090, 510711, 680948, 712620, 828180, 851185, 1021422, 1532133, 1702370, 2042844, 2553555, 3064266, 3404740, 5107110, 6128532, 7660665, 10214220, 15321330, 30642660]

約数ペア:

[(1, 30642660), (2, 15321330), (3, 10214220), (4, 7660665), (5, 6128532), (6, 5107110), (9, 3404740), (10, 3064266), (12, 2553555), (15, 2042844), (18, 1702370), (20, 1532133), (30, 1021422), (36, 851185), (37, 828180), (43, 712620), (45, 680948), (60, 510711), (74, 414090), (86, 356310), (90, 340474), (107, 286380), (111, 276060), (129, 237540), (148, 207045), (172, 178155), (180, 170237), (185, 165636), (214, 143190), (215, 142524), (222, 138030), (258, 118770), (321, 95460), (333, 92020), (370, 82818), (387, 79180), (428, 71595), (430, 71262), (444, 69015), (516, 59385), (535, 57276), (555, 55212), (642, 47730), (645, 47508), (666, 46010), (740, 41409), (774, 39590), (860, 35631), (963, 31820), (1070, 28638), (1110, 27606), (1284, 23865), (1290, 23754), (1332, 23005), (1548, 19795), (1591, 19260), (1605, 19092), (1665, 18404), (1926, 15910), (1935, 15836), (2140, 14319), (2220, 13803), (2580, 11877), (3182, 9630), (3210, 9546), (3330, 9202), (3852, 7955), (3870, 7918), (3959, 7740), (4601, 6660), (4773, 6420), (4815, 6364)]