864900

素因数分解:

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

素因数の和:82

約数の個数: 81

約数和(自身を含む): 2801253

約数和(自身を除く): 1936353

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 775, 900, 930, 961, 1116, 1395, 1550, 1860, 1922, 2325, 2790, 2883, 3100, 3844, 4650, 4805, 5580, 5766, 6975, 8649, 9300, 9610, 11532, 13950, 14415, 17298, 19220, 24025, 27900, 28830, 34596, 43245, 48050, 57660, 72075, 86490, 96100, 144150, 172980, 216225, 288300, 432450, 864900]

約数ペア:

[(1, 864900), (2, 432450), (3, 288300), (4, 216225), (5, 172980), (6, 144150), (9, 96100), (10, 86490), (12, 72075), (15, 57660), (18, 48050), (20, 43245), (25, 34596), (30, 28830), (31, 27900), (36, 24025), (45, 19220), (50, 17298), (60, 14415), (62, 13950), (75, 11532), (90, 9610), (93, 9300), (100, 8649), (124, 6975), (150, 5766), (155, 5580), (180, 4805), (186, 4650), (225, 3844), (279, 3100), (300, 2883), (310, 2790), (372, 2325), (450, 1922), (465, 1860), (558, 1550), (620, 1395), (775, 1116), (900, 961)]