251534520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16249}}^1$

素因数の和:16309

約数の個数: 96

約数和(自身を含む): 836550000

約数和(自身を除く): 585015480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 5160, 7740, 15480, 16249, 32498, 48747, 64996, 81245, 97494, 129992, 146241, 162490, 194988, 243735, 292482, 324980, 389976, 487470, 584964, 649960, 698707, 731205, 974940, 1169928, 1397414, 1462410, 1949880, 2096121, 2794828, 2924820, 3493535, 4192242, 5589656, 5849640, 6288363, 6987070, 8384484, 10480605, 12576726, 13974140, 16768968, 20961210, 25153452, 27948280, 31441815, 41922420, 50306904, 62883630, 83844840, 125767260, 251534520]

約数ペア:

[(1, 251534520), (2, 125767260), (3, 83844840), (4, 62883630), (5, 50306904), (6, 41922420), (8, 31441815), (9, 27948280), (10, 25153452), (12, 20961210), (15, 16768968), (18, 13974140), (20, 12576726), (24, 10480605), (30, 8384484), (36, 6987070), (40, 6288363), (43, 5849640), (45, 5589656), (60, 4192242), (72, 3493535), (86, 2924820), (90, 2794828), (120, 2096121), (129, 1949880), (172, 1462410), (180, 1397414), (215, 1169928), (258, 974940), (344, 731205), (360, 698707), (387, 649960), (430, 584964), (516, 487470), (645, 389976), (774, 324980), (860, 292482), (1032, 243735), (1290, 194988), (1548, 162490), (1720, 146241), (1935, 129992), (2580, 97494), (3096, 81245), (3870, 64996), (5160, 48747), (7740, 32498), (15480, 16249)]