31162590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 83646720

約数和(自身を除く): 52484130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 211, 270, 422, 547, 633, 1055, 1094, 1266, 1641, 1899, 2110, 2735, 3165, 3282, 3798, 4923, 5470, 5697, 6330, 8205, 9495, 9846, 11394, 14769, 16410, 18990, 24615, 28485, 29538, 49230, 56970, 73845, 115417, 147690, 230834, 346251, 577085, 692502, 1038753, 1154170, 1731255, 2077506, 3116259, 3462510, 5193765, 6232518, 10387530, 15581295, 31162590]

約数ペア:

[(1, 31162590), (2, 15581295), (3, 10387530), (5, 6232518), (6, 5193765), (9, 3462510), (10, 3116259), (15, 2077506), (18, 1731255), (27, 1154170), (30, 1038753), (45, 692502), (54, 577085), (90, 346251), (135, 230834), (211, 147690), (270, 115417), (422, 73845), (547, 56970), (633, 49230), (1055, 29538), (1094, 28485), (1266, 24615), (1641, 18990), (1899, 16410), (2110, 14769), (2735, 11394), (3165, 9846), (3282, 9495), (3798, 8205), (4923, 6330), (5470, 5697)]