12921240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 41472000

約数和(自身を除く): 28550760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 47, 58, 60, 79, 87, 94, 116, 120, 141, 145, 158, 174, 188, 232, 235, 237, 282, 290, 316, 348, 376, 395, 435, 470, 474, 564, 580, 632, 696, 705, 790, 870, 940, 948, 1128, 1160, 1185, 1363, 1410, 1580, 1740, 1880, 1896, 2291, 2370, 2726, 2820, 3160, 3480, 3713, 4089, 4582, 4740, 5452, 5640, 6815, 6873, 7426, 8178, 9164, 9480, 10904, 11139, 11455, 13630, 13746, 14852, 16356, 18328, 18565, 20445, 22278, 22910, 27260, 27492, 29704, 32712, 34365, 37130, 40890, 44556, 45820, 54520, 54984, 55695, 68730, 74260, 81780, 89112, 91640, 107677, 111390, 137460, 148520, 163560, 215354, 222780, 274920, 323031, 430708, 445560, 538385, 646062, 861416, 1076770, 1292124, 1615155, 2153540, 2584248, 3230310, 4307080, 6460620, 12921240]

約数ペア:

[(1, 12921240), (2, 6460620), (3, 4307080), (4, 3230310), (5, 2584248), (6, 2153540), (8, 1615155), (10, 1292124), (12, 1076770), (15, 861416), (20, 646062), (24, 538385), (29, 445560), (30, 430708), (40, 323031), (47, 274920), (58, 222780), (60, 215354), (79, 163560), (87, 148520), (94, 137460), (116, 111390), (120, 107677), (141, 91640), (145, 89112), (158, 81780), (174, 74260), (188, 68730), (232, 55695), (235, 54984), (237, 54520), (282, 45820), (290, 44556), (316, 40890), (348, 37130), (376, 34365), (395, 32712), (435, 29704), (470, 27492), (474, 27260), (564, 22910), (580, 22278), (632, 20445), (696, 18565), (705, 18328), (790, 16356), (870, 14852), (940, 13746), (948, 13630), (1128, 11455), (1160, 11139), (1185, 10904), (1363, 9480), (1410, 9164), (1580, 8178), (1740, 7426), (1880, 6873), (1896, 6815), (2291, 5640), (2370, 5452), (2726, 4740), (2820, 4582), (3160, 4089), (3480, 3713)]