320464890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 882316800

約数和(自身を除く): 561851910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 73, 90, 135, 142, 146, 213, 219, 229, 270, 355, 365, 426, 438, 458, 639, 657, 687, 710, 730, 1065, 1095, 1145, 1278, 1314, 1374, 1917, 1971, 2061, 2130, 2190, 2290, 3195, 3285, 3435, 3834, 3942, 4122, 5183, 6183, 6390, 6570, 6870, 9585, 9855, 10305, 10366, 12366, 15549, 16259, 16717, 19170, 19710, 20610, 25915, 30915, 31098, 32518, 33434, 46647, 48777, 50151, 51830, 61830, 77745, 81295, 83585, 93294, 97554, 100302, 139941, 146331, 150453, 155490, 162590, 167170, 233235, 243885, 250755, 279882, 292662, 300906, 438993, 451359, 466470, 487770, 501510, 699705, 731655, 752265, 877986, 902718, 1186907, 1399410, 1463310, 1504530, 2194965, 2256795, 2373814, 3560721, 4389930, 4513590, 5934535, 7121442, 10682163, 11869070, 17803605, 21364326, 32046489, 35607210, 53410815, 64092978, 106821630, 160232445, 320464890]

約数ペア:

[(1, 320464890), (2, 160232445), (3, 106821630), (5, 64092978), (6, 53410815), (9, 35607210), (10, 32046489), (15, 21364326), (18, 17803605), (27, 11869070), (30, 10682163), (45, 7121442), (54, 5934535), (71, 4513590), (73, 4389930), (90, 3560721), (135, 2373814), (142, 2256795), (146, 2194965), (213, 1504530), (219, 1463310), (229, 1399410), (270, 1186907), (355, 902718), (365, 877986), (426, 752265), (438, 731655), (458, 699705), (639, 501510), (657, 487770), (687, 466470), (710, 451359), (730, 438993), (1065, 300906), (1095, 292662), (1145, 279882), (1278, 250755), (1314, 243885), (1374, 233235), (1917, 167170), (1971, 162590), (2061, 155490), (2130, 150453), (2190, 146331), (2290, 139941), (3195, 100302), (3285, 97554), (3435, 93294), (3834, 83585), (3942, 81295), (4122, 77745), (5183, 61830), (6183, 51830), (6390, 50151), (6570, 48777), (6870, 46647), (9585, 33434), (9855, 32518), (10305, 31098), (10366, 30915), (12366, 25915), (15549, 20610), (16259, 19710), (16717, 19170)]