81209370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 223534080

約数和(自身を除く): 142324710

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 59, 66, 86, 97, 110, 118, 129, 165, 177, 194, 215, 258, 291, 295, 330, 354, 430, 473, 485, 582, 590, 645, 649, 885, 946, 970, 1067, 1290, 1298, 1419, 1455, 1770, 1947, 2134, 2365, 2537, 2838, 2910, 3201, 3245, 3894, 4171, 4730, 5074, 5335, 5723, 6402, 6490, 7095, 7611, 8342, 9735, 10670, 11446, 12513, 12685, 14190, 15222, 16005, 17169, 19470, 20855, 25026, 25370, 27907, 28615, 32010, 34338, 38055, 41710, 45881, 55814, 57230, 62565, 62953, 76110, 83721, 85845, 91762, 125130, 125906, 137643, 139535, 167442, 171690, 188859, 229405, 246089, 275286, 279070, 314765, 377718, 418605, 458810, 492178, 629530, 688215, 738267, 837210, 944295, 1230445, 1376430, 1476534, 1888590, 2460890, 2706979, 3691335, 5413958, 7382670, 8120937, 13534895, 16241874, 27069790, 40604685, 81209370]

約数ペア:

[(1, 81209370), (2, 40604685), (3, 27069790), (5, 16241874), (6, 13534895), (10, 8120937), (11, 7382670), (15, 5413958), (22, 3691335), (30, 2706979), (33, 2460890), (43, 1888590), (55, 1476534), (59, 1376430), (66, 1230445), (86, 944295), (97, 837210), (110, 738267), (118, 688215), (129, 629530), (165, 492178), (177, 458810), (194, 418605), (215, 377718), (258, 314765), (291, 279070), (295, 275286), (330, 246089), (354, 229405), (430, 188859), (473, 171690), (485, 167442), (582, 139535), (590, 137643), (645, 125906), (649, 125130), (885, 91762), (946, 85845), (970, 83721), (1067, 76110), (1290, 62953), (1298, 62565), (1419, 57230), (1455, 55814), (1770, 45881), (1947, 41710), (2134, 38055), (2365, 34338), (2537, 32010), (2838, 28615), (2910, 27907), (3201, 25370), (3245, 25026), (3894, 20855), (4171, 19470), (4730, 17169), (5074, 16005), (5335, 15222), (5723, 14190), (6402, 12685), (6490, 12513), (7095, 11446), (7611, 10670), (8342, 9735)]