321780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 935424

約数和(自身を除く): 613644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 173, 186, 310, 346, 372, 465, 519, 620, 692, 865, 930, 1038, 1730, 1860, 2076, 2595, 3460, 5190, 5363, 10380, 10726, 16089, 21452, 26815, 32178, 53630, 64356, 80445, 107260, 160890, 321780]

約数ペア:

[(1, 321780), (2, 160890), (3, 107260), (4, 80445), (5, 64356), (6, 53630), (10, 32178), (12, 26815), (15, 21452), (20, 16089), (30, 10726), (31, 10380), (60, 5363), (62, 5190), (93, 3460), (124, 2595), (155, 2076), (173, 1860), (186, 1730), (310, 1038), (346, 930), (372, 865), (465, 692), (519, 620)]