331439940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1186

約数の個数: 144

約数和(自身を含む): 1091563200

約数和(自身を除く): 760123260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 139, 156, 180, 195, 234, 260, 278, 390, 417, 468, 556, 585, 695, 780, 834, 1019, 1170, 1251, 1390, 1668, 1807, 2038, 2085, 2340, 2502, 2780, 3057, 3614, 4076, 4170, 5004, 5095, 5421, 6114, 6255, 7228, 8340, 9035, 9171, 10190, 10842, 12228, 12510, 13247, 15285, 16263, 18070, 18342, 20380, 21684, 25020, 26494, 27105, 30570, 32526, 36140, 36684, 39741, 45855, 52988, 54210, 61140, 65052, 66235, 79482, 81315, 91710, 108420, 119223, 132470, 141641, 158964, 162630, 183420, 198705, 238446, 264940, 283282, 325260, 397410, 424923, 476892, 566564, 596115, 708205, 794820, 849846, 1192230, 1274769, 1416410, 1699692, 1841333, 2124615, 2384460, 2549538, 2832820, 3682666, 4249230, 5099076, 5523999, 6373845, 7365332, 8498460, 9206665, 11047998, 12747690, 16571997, 18413330, 22095996, 25495380, 27619995, 33143994, 36826660, 55239990, 66287988, 82859985, 110479980, 165719970, 331439940]

約数ペア:

[(1, 331439940), (2, 165719970), (3, 110479980), (4, 82859985), (5, 66287988), (6, 55239990), (9, 36826660), (10, 33143994), (12, 27619995), (13, 25495380), (15, 22095996), (18, 18413330), (20, 16571997), (26, 12747690), (30, 11047998), (36, 9206665), (39, 8498460), (45, 7365332), (52, 6373845), (60, 5523999), (65, 5099076), (78, 4249230), (90, 3682666), (117, 2832820), (130, 2549538), (139, 2384460), (156, 2124615), (180, 1841333), (195, 1699692), (234, 1416410), (260, 1274769), (278, 1192230), (390, 849846), (417, 794820), (468, 708205), (556, 596115), (585, 566564), (695, 476892), (780, 424923), (834, 397410), (1019, 325260), (1170, 283282), (1251, 264940), (1390, 238446), (1668, 198705), (1807, 183420), (2038, 162630), (2085, 158964), (2340, 141641), (2502, 132470), (2780, 119223), (3057, 108420), (3614, 91710), (4076, 81315), (4170, 79482), (5004, 66235), (5095, 65052), (5421, 61140), (6114, 54210), (6255, 52988), (7228, 45855), (8340, 39741), (9035, 36684), (9171, 36140), (10190, 32526), (10842, 30570), (12228, 27105), (12510, 26494), (13247, 25020), (15285, 21684), (16263, 20380), (18070, 18342)]