15870960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 63138816

約数和(自身を除く): 47267856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 67, 70, 72, 80, 84, 90, 94, 105, 112, 120, 126, 134, 140, 141, 144, 168, 180, 188, 201, 210, 235, 240, 252, 268, 280, 282, 315, 329, 335, 336, 360, 376, 402, 420, 423, 469, 470, 504, 536, 560, 564, 603, 630, 658, 670, 705, 720, 752, 804, 840, 846, 938, 940, 987, 1005, 1008, 1072, 1128, 1206, 1260, 1316, 1340, 1407, 1410, 1608, 1645, 1680, 1692, 1876, 1880, 1974, 2010, 2115, 2256, 2345, 2412, 2520, 2632, 2680, 2814, 2820, 2961, 3015, 3149, 3216, 3290, 3384, 3752, 3760, 3948, 4020, 4221, 4230, 4690, 4824, 4935, 5040, 5264, 5360, 5628, 5640, 5922, 6030, 6298, 6580, 6768, 7035, 7504, 7896, 8040, 8442, 8460, 9380, 9447, 9648, 9870, 11256, 11280, 11844, 12060, 12596, 13160, 14070, 14805, 15745, 15792, 16080, 16884, 16920, 18760, 18894, 19740, 21105, 22043, 22512, 23688, 24120, 25192, 26320, 28140, 28341, 29610, 31490, 33768, 33840, 37520, 37788, 39480, 42210, 44086, 47235, 47376, 48240, 50384, 56280, 56682, 59220, 62980, 66129, 67536, 75576, 78960, 84420, 88172, 94470, 110215, 112560, 113364, 118440, 125960, 132258, 141705, 151152, 168840, 176344, 188940, 198387, 220430, 226728, 236880, 251920, 264516, 283410, 330645, 337680, 352688, 377880, 396774, 440860, 453456, 529032, 566820, 661290, 755760, 793548, 881720, 991935, 1058064, 1133640, 1322580, 1587096, 1763440, 1983870, 2267280, 2645160, 3174192, 3967740, 5290320, 7935480, 15870960]

約数ペア:

[(1, 15870960), (2, 7935480), (3, 5290320), (4, 3967740), (5, 3174192), (6, 2645160), (7, 2267280), (8, 1983870), (9, 1763440), (10, 1587096), (12, 1322580), (14, 1133640), (15, 1058064), (16, 991935), (18, 881720), (20, 793548), (21, 755760), (24, 661290), (28, 566820), (30, 529032), (35, 453456), (36, 440860), (40, 396774), (42, 377880), (45, 352688), (47, 337680), (48, 330645), (56, 283410), (60, 264516), (63, 251920), (67, 236880), (70, 226728), (72, 220430), (80, 198387), (84, 188940), (90, 176344), (94, 168840), (105, 151152), (112, 141705), (120, 132258), (126, 125960), (134, 118440), (140, 113364), (141, 112560), (144, 110215), (168, 94470), (180, 88172), (188, 84420), (201, 78960), (210, 75576), (235, 67536), (240, 66129), (252, 62980), (268, 59220), (280, 56682), (282, 56280), (315, 50384), (329, 48240), (335, 47376), (336, 47235), (360, 44086), (376, 42210), (402, 39480), (420, 37788), (423, 37520), (469, 33840), (470, 33768), (504, 31490), (536, 29610), (560, 28341), (564, 28140), (603, 26320), (630, 25192), (658, 24120), (670, 23688), (705, 22512), (720, 22043), (752, 21105), (804, 19740), (840, 18894), (846, 18760), (938, 16920), (940, 16884), (987, 16080), (1005, 15792), (1008, 15745), (1072, 14805), (1128, 14070), (1206, 13160), (1260, 12596), (1316, 12060), (1340, 11844), (1407, 11280), (1410, 11256), (1608, 9870), (1645, 9648), (1680, 9447), (1692, 9380), (1876, 8460), (1880, 8442), (1974, 8040), (2010, 7896), (2115, 7504), (2256, 7035), (2345, 6768), (2412, 6580), (2520, 6298), (2632, 6030), (2680, 5922), (2814, 5640), (2820, 5628), (2961, 5360), (3015, 5264), (3149, 5040), (3216, 4935), (3290, 4824), (3384, 4690), (3752, 4230), (3760, 4221), (3948, 4020)]