19754280

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:110

約数の個数: 320

約数和(自身を含む): 82938240

約数和(自身を除く): 63183960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 67, 70, 72, 78, 81, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 134, 135, 140, 156, 162, 168, 180, 182, 189, 195, 201, 210, 216, 234, 252, 260, 268, 270, 273, 280, 312, 315, 324, 335, 351, 360, 364, 378, 390, 402, 405, 420, 455, 468, 469, 504, 520, 536, 540, 546, 567, 585, 603, 630, 648, 670, 702, 728, 756, 780, 804, 810, 819, 840, 871, 910, 936, 938, 945, 1005, 1053, 1080, 1092, 1134, 1170, 1206, 1260, 1340, 1365, 1404, 1407, 1512, 1560, 1608, 1620, 1638, 1742, 1755, 1809, 1820, 1876, 1890, 2010, 2106, 2184, 2268, 2340, 2345, 2412, 2457, 2520, 2613, 2680, 2730, 2808, 2814, 2835, 3015, 3240, 3276, 3484, 3510, 3618, 3640, 3752, 3780, 4020, 4095, 4212, 4221, 4355, 4536, 4680, 4690, 4824, 4914, 5226, 5265, 5427, 5460, 5628, 5670, 6030, 6097, 6552, 6968, 7020, 7035, 7236, 7371, 7560, 7839, 8040, 8190, 8424, 8442, 8710, 9045, 9380, 9828, 10452, 10530, 10854, 10920, 11256, 11340, 12060, 12194, 12285, 12663, 13065, 14040, 14070, 14472, 14742, 15678, 16380, 16884, 17420, 18090, 18291, 18760, 19656, 20904, 21060, 21105, 21708, 22680, 23517, 24120, 24388, 24570, 25326, 26130, 27135, 28140, 29484, 30485, 31356, 32760, 33768, 34840, 36180, 36582, 36855, 37989, 39195, 42120, 42210, 43416, 47034, 48776, 49140, 50652, 52260, 54270, 54873, 56280, 58968, 60970, 62712, 63315, 70551, 72360, 73164, 73710, 75978, 78390, 84420, 91455, 94068, 98280, 101304, 104520, 108540, 109746, 117585, 121940, 126630, 141102, 146328, 147420, 151956, 156780, 164619, 168840, 182910, 188136, 189945, 217080, 219492, 235170, 243880, 253260, 274365, 282204, 294840, 303912, 313560, 329238, 352755, 365820, 379890, 438984, 470340, 493857, 506520, 548730, 564408, 658476, 705510, 731640, 759780, 823095, 940680, 987714, 1097460, 1316952, 1411020, 1519560, 1646190, 1975428, 2194920, 2469285, 2822040, 3292380, 3950856, 4938570, 6584760, 9877140, 19754280]

約数ペア:

[(1, 19754280), (2, 9877140), (3, 6584760), (4, 4938570), (5, 3950856), (6, 3292380), (7, 2822040), (8, 2469285), (9, 2194920), (10, 1975428), (12, 1646190), (13, 1519560), (14, 1411020), (15, 1316952), (18, 1097460), (20, 987714), (21, 940680), (24, 823095), (26, 759780), (27, 731640), (28, 705510), (30, 658476), (35, 564408), (36, 548730), (39, 506520), (40, 493857), (42, 470340), (45, 438984), (52, 379890), (54, 365820), (56, 352755), (60, 329238), (63, 313560), (65, 303912), (67, 294840), (70, 282204), (72, 274365), (78, 253260), (81, 243880), (84, 235170), (90, 219492), (91, 217080), (104, 189945), (105, 188136), (108, 182910), (117, 168840), (120, 164619), (126, 156780), (130, 151956), (134, 147420), (135, 146328), (140, 141102), (156, 126630), (162, 121940), (168, 117585), (180, 109746), (182, 108540), (189, 104520), (195, 101304), (201, 98280), (210, 94068), (216, 91455), (234, 84420), (252, 78390), (260, 75978), (268, 73710), (270, 73164), (273, 72360), (280, 70551), (312, 63315), (315, 62712), (324, 60970), (335, 58968), (351, 56280), (360, 54873), (364, 54270), (378, 52260), (390, 50652), (402, 49140), (405, 48776), (420, 47034), (455, 43416), (468, 42210), (469, 42120), (504, 39195), (520, 37989), (536, 36855), (540, 36582), (546, 36180), (567, 34840), (585, 33768), (603, 32760), (630, 31356), (648, 30485), (670, 29484), (702, 28140), (728, 27135), (756, 26130), (780, 25326), (804, 24570), (810, 24388), (819, 24120), (840, 23517), (871, 22680), (910, 21708), (936, 21105), (938, 21060), (945, 20904), (1005, 19656), (1053, 18760), (1080, 18291), (1092, 18090), (1134, 17420), (1170, 16884), (1206, 16380), (1260, 15678), (1340, 14742), (1365, 14472), (1404, 14070), (1407, 14040), (1512, 13065), (1560, 12663), (1608, 12285), (1620, 12194), (1638, 12060), (1742, 11340), (1755, 11256), (1809, 10920), (1820, 10854), (1876, 10530), (1890, 10452), (2010, 9828), (2106, 9380), (2184, 9045), (2268, 8710), (2340, 8442), (2345, 8424), (2412, 8190), (2457, 8040), (2520, 7839), (2613, 7560), (2680, 7371), (2730, 7236), (2808, 7035), (2814, 7020), (2835, 6968), (3015, 6552), (3240, 6097), (3276, 6030), (3484, 5670), (3510, 5628), (3618, 5460), (3640, 5427), (3752, 5265), (3780, 5226), (4020, 4914), (4095, 4824), (4212, 4690), (4221, 4680), (4355, 4536)]