27607580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 79634016

約数和(自身を除く): 52026436

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 197, 220, 245, 260, 286, 308, 364, 385, 394, 455, 490, 539, 572, 637, 715, 770, 788, 910, 980, 985, 1001, 1078, 1274, 1379, 1430, 1540, 1820, 1970, 2002, 2156, 2167, 2548, 2561, 2695, 2758, 2860, 3185, 3940, 4004, 4334, 5005, 5122, 5390, 5516, 6370, 6895, 7007, 8668, 9653, 10010, 10244, 10780, 10835, 12740, 12805, 13790, 14014, 15169, 17927, 19306, 20020, 21670, 25610, 27580, 28028, 28171, 30338, 35035, 35854, 38612, 43340, 48265, 51220, 56342, 60676, 70070, 71708, 75845, 89635, 96530, 106183, 112684, 125489, 140140, 140855, 151690, 179270, 193060, 197197, 212366, 250978, 281710, 303380, 358540, 394394, 424732, 501956, 530915, 563420, 627445, 788788, 985985, 1061830, 1254890, 1380379, 1971970, 2123660, 2509780, 2760758, 3943940, 5521516, 6901895, 13803790, 27607580]

約数ペア:

[(1, 27607580), (2, 13803790), (4, 6901895), (5, 5521516), (7, 3943940), (10, 2760758), (11, 2509780), (13, 2123660), (14, 1971970), (20, 1380379), (22, 1254890), (26, 1061830), (28, 985985), (35, 788788), (44, 627445), (49, 563420), (52, 530915), (55, 501956), (65, 424732), (70, 394394), (77, 358540), (91, 303380), (98, 281710), (110, 250978), (130, 212366), (140, 197197), (143, 193060), (154, 179270), (182, 151690), (196, 140855), (197, 140140), (220, 125489), (245, 112684), (260, 106183), (286, 96530), (308, 89635), (364, 75845), (385, 71708), (394, 70070), (455, 60676), (490, 56342), (539, 51220), (572, 48265), (637, 43340), (715, 38612), (770, 35854), (788, 35035), (910, 30338), (980, 28171), (985, 28028), (1001, 27580), (1078, 25610), (1274, 21670), (1379, 20020), (1430, 19306), (1540, 17927), (1820, 15169), (1970, 14014), (2002, 13790), (2156, 12805), (2167, 12740), (2548, 10835), (2561, 10780), (2695, 10244), (2758, 10010), (2860, 9653), (3185, 8668), (3940, 7007), (4004, 6895), (4334, 6370), (5005, 5516), (5122, 5390)]