78661890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51413}}^1$

素因数の和:51443

約数の個数: 48

約数和(自身を含む): 216555768

約数和(自身を除く): 137893878

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 51413, 102826, 154239, 257065, 308478, 462717, 514130, 771195, 874021, 925434, 1542390, 1748042, 2313585, 2622063, 4370105, 4627170, 5244126, 7866189, 8740210, 13110315, 15732378, 26220630, 39330945, 78661890]

約数ペア:

[(1, 78661890), (2, 39330945), (3, 26220630), (5, 15732378), (6, 13110315), (9, 8740210), (10, 7866189), (15, 5244126), (17, 4627170), (18, 4370105), (30, 2622063), (34, 2313585), (45, 1748042), (51, 1542390), (85, 925434), (90, 874021), (102, 771195), (153, 514130), (170, 462717), (255, 308478), (306, 257065), (510, 154239), (765, 102826), (1530, 51413)]