180324520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{145423}}^1$

素因数の和:145465

約数の個数: 32

約数和(自身を含む): 418821120

約数和(自身を除く): 238496600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 145423, 290846, 581692, 727115, 1163384, 1454230, 2908460, 4508113, 5816920, 9016226, 18032452, 22540565, 36064904, 45081130, 90162260, 180324520]

約数ペア:

[(1, 180324520), (2, 90162260), (4, 45081130), (5, 36064904), (8, 22540565), (10, 18032452), (20, 9016226), (31, 5816920), (40, 4508113), (62, 2908460), (124, 1454230), (155, 1163384), (248, 727115), (310, 581692), (620, 290846), (1240, 145423)]