165719580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212461}}^1$

素因数の和:212486

約数の個数: 48

約数和(自身を含む): 499710624

約数和(自身を除く): 333991044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 212461, 424922, 637383, 849844, 1062305, 1274766, 2124610, 2549532, 2761993, 3186915, 4249220, 5523986, 6373830, 8285979, 11047972, 12747660, 13809965, 16571958, 27619930, 33143916, 41429895, 55239860, 82859790, 165719580]

約数ペア:

[(1, 165719580), (2, 82859790), (3, 55239860), (4, 41429895), (5, 33143916), (6, 27619930), (10, 16571958), (12, 13809965), (13, 12747660), (15, 11047972), (20, 8285979), (26, 6373830), (30, 5523986), (39, 4249220), (52, 3186915), (60, 2761993), (65, 2549532), (78, 2124610), (130, 1274766), (156, 1062305), (195, 849844), (260, 637383), (390, 424922), (780, 212461)]