19368720

素因数分解:

$2^4\times 3^4\times 5^1\times 7^2\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 300

約数和(自身を含む): 79536204

約数和(自身を除く): 60167484

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 61, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 122, 126, 135, 140, 144, 147, 162, 168, 180, 183, 189, 196, 210, 216, 240, 244, 245, 252, 270, 280, 294, 305, 315, 324, 336, 360, 366, 378, 392, 405, 420, 427, 432, 441, 488, 490, 504, 540, 549, 560, 567, 588, 610, 630, 648, 720, 732, 735, 756, 784, 810, 840, 854, 882, 915, 945, 976, 980, 1008, 1080, 1098, 1134, 1176, 1220, 1260, 1281, 1296, 1323, 1464, 1470, 1512, 1620, 1647, 1680, 1708, 1764, 1830, 1890, 1960, 2135, 2160, 2196, 2205, 2268, 2352, 2440, 2520, 2562, 2646, 2745, 2835, 2928, 2940, 2989, 3024, 3240, 3294, 3416, 3528, 3660, 3780, 3843, 3920, 3969, 4270, 4392, 4410, 4536, 4880, 4941, 5040, 5124, 5292, 5490, 5670, 5880, 5978, 6405, 6480, 6588, 6615, 6832, 7056, 7320, 7560, 7686, 7938, 8235, 8540, 8784, 8820, 8967, 9072, 9882, 10248, 10584, 10980, 11340, 11529, 11760, 11956, 12810, 13176, 13230, 14640, 14945, 15120, 15372, 15876, 16470, 17080, 17640, 17934, 19215, 19764, 19845, 20496, 21168, 21960, 22680, 23058, 23912, 24705, 25620, 26352, 26460, 26901, 29890, 30744, 31752, 32940, 34160, 34587, 35280, 35868, 38430, 39528, 39690, 43920, 44835, 45360, 46116, 47824, 49410, 51240, 52920, 53802, 57645, 59780, 61488, 63504, 65880, 69174, 71736, 76860, 79056, 79380, 80703, 89670, 92232, 98820, 102480, 105840, 107604, 115290, 119560, 131760, 134505, 138348, 143472, 153720, 158760, 161406, 172935, 179340, 184464, 197640, 215208, 230580, 239120, 242109, 269010, 276696, 307440, 317520, 322812, 345870, 358680, 395280, 403515, 430416, 461160, 484218, 538020, 553392, 645624, 691740, 717360, 807030, 922320, 968436, 1076040, 1210545, 1291248, 1383480, 1614060, 1936872, 2152080, 2421090, 2766960, 3228120, 3873744, 4842180, 6456240, 9684360, 19368720]

約数ペア:

[(1, 19368720), (2, 9684360), (3, 6456240), (4, 4842180), (5, 3873744), (6, 3228120), (7, 2766960), (8, 2421090), (9, 2152080), (10, 1936872), (12, 1614060), (14, 1383480), (15, 1291248), (16, 1210545), (18, 1076040), (20, 968436), (21, 922320), (24, 807030), (27, 717360), (28, 691740), (30, 645624), (35, 553392), (36, 538020), (40, 484218), (42, 461160), (45, 430416), (48, 403515), (49, 395280), (54, 358680), (56, 345870), (60, 322812), (61, 317520), (63, 307440), (70, 276696), (72, 269010), (80, 242109), (81, 239120), (84, 230580), (90, 215208), (98, 197640), (105, 184464), (108, 179340), (112, 172935), (120, 161406), (122, 158760), (126, 153720), (135, 143472), (140, 138348), (144, 134505), (147, 131760), (162, 119560), (168, 115290), (180, 107604), (183, 105840), (189, 102480), (196, 98820), (210, 92232), (216, 89670), (240, 80703), (244, 79380), (245, 79056), (252, 76860), (270, 71736), (280, 69174), (294, 65880), (305, 63504), (315, 61488), (324, 59780), (336, 57645), (360, 53802), (366, 52920), (378, 51240), (392, 49410), (405, 47824), (420, 46116), (427, 45360), (432, 44835), (441, 43920), (488, 39690), (490, 39528), (504, 38430), (540, 35868), (549, 35280), (560, 34587), (567, 34160), (588, 32940), (610, 31752), (630, 30744), (648, 29890), (720, 26901), (732, 26460), (735, 26352), (756, 25620), (784, 24705), (810, 23912), (840, 23058), (854, 22680), (882, 21960), (915, 21168), (945, 20496), (976, 19845), (980, 19764), (1008, 19215), (1080, 17934), (1098, 17640), (1134, 17080), (1176, 16470), (1220, 15876), (1260, 15372), (1281, 15120), (1296, 14945), (1323, 14640), (1464, 13230), (1470, 13176), (1512, 12810), (1620, 11956), (1647, 11760), (1680, 11529), (1708, 11340), (1764, 10980), (1830, 10584), (1890, 10248), (1960, 9882), (2135, 9072), (2160, 8967), (2196, 8820), (2205, 8784), (2268, 8540), (2352, 8235), (2440, 7938), (2520, 7686), (2562, 7560), (2646, 7320), (2745, 7056), (2835, 6832), (2928, 6615), (2940, 6588), (2989, 6480), (3024, 6405), (3240, 5978), (3294, 5880), (3416, 5670), (3528, 5490), (3660, 5292), (3780, 5124), (3843, 5040), (3920, 4941), (3969, 4880), (4270, 4536), (4392, 4410)]