31216680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7883}}^1$

素因数の和:7911

約数の個数: 96

約数和(自身を含む): 110691360

約数和(自身を除く): 79474680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7883, 15766, 23649, 31532, 39415, 47298, 63064, 70947, 78830, 86713, 94596, 118245, 141894, 157660, 173426, 189192, 236490, 260139, 283788, 315320, 346852, 354735, 433565, 472980, 520278, 567576, 693704, 709470, 780417, 867130, 945960, 1040556, 1300695, 1418940, 1560834, 1734260, 2081112, 2601390, 2837880, 3121668, 3468520, 3902085, 5202780, 6243336, 7804170, 10405560, 15608340, 31216680]

約数ペア:

[(1, 31216680), (2, 15608340), (3, 10405560), (4, 7804170), (5, 6243336), (6, 5202780), (8, 3902085), (9, 3468520), (10, 3121668), (11, 2837880), (12, 2601390), (15, 2081112), (18, 1734260), (20, 1560834), (22, 1418940), (24, 1300695), (30, 1040556), (33, 945960), (36, 867130), (40, 780417), (44, 709470), (45, 693704), (55, 567576), (60, 520278), (66, 472980), (72, 433565), (88, 354735), (90, 346852), (99, 315320), (110, 283788), (120, 260139), (132, 236490), (165, 189192), (180, 173426), (198, 157660), (220, 141894), (264, 118245), (330, 94596), (360, 86713), (396, 78830), (440, 70947), (495, 63064), (660, 47298), (792, 39415), (990, 31532), (1320, 23649), (1980, 15766), (3960, 7883)]