31553820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:912

約数の個数: 96

約数和(自身を含む): 99671040

約数和(自身を除く): 68117220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 108, 135, 142, 180, 213, 270, 284, 355, 426, 540, 639, 710, 823, 852, 1065, 1278, 1420, 1646, 1917, 2130, 2469, 2556, 3195, 3292, 3834, 4115, 4260, 4938, 6390, 7407, 7668, 8230, 9585, 9876, 12345, 12780, 14814, 16460, 19170, 22221, 24690, 29628, 37035, 38340, 44442, 49380, 58433, 74070, 88884, 111105, 116866, 148140, 175299, 222210, 233732, 292165, 350598, 444420, 525897, 584330, 701196, 876495, 1051794, 1168660, 1577691, 1752990, 2103588, 2629485, 3155382, 3505980, 5258970, 6310764, 7888455, 10517940, 15776910, 31553820]

約数ペア:

[(1, 31553820), (2, 15776910), (3, 10517940), (4, 7888455), (5, 6310764), (6, 5258970), (9, 3505980), (10, 3155382), (12, 2629485), (15, 2103588), (18, 1752990), (20, 1577691), (27, 1168660), (30, 1051794), (36, 876495), (45, 701196), (54, 584330), (60, 525897), (71, 444420), (90, 350598), (108, 292165), (135, 233732), (142, 222210), (180, 175299), (213, 148140), (270, 116866), (284, 111105), (355, 88884), (426, 74070), (540, 58433), (639, 49380), (710, 44442), (823, 38340), (852, 37035), (1065, 29628), (1278, 24690), (1420, 22221), (1646, 19170), (1917, 16460), (2130, 14814), (2469, 12780), (2556, 12345), (3195, 9876), (3292, 9585), (3834, 8230), (4115, 7668), (4260, 7407), (4938, 6390)]