18722340

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 72855552

約数和(自身を除く): 54133212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 127, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 252, 254, 260, 270, 273, 315, 324, 351, 364, 378, 381, 390, 405, 420, 455, 468, 508, 540, 546, 567, 585, 630, 635, 702, 756, 762, 780, 810, 819, 889, 910, 945, 1053, 1092, 1134, 1143, 1170, 1260, 1270, 1365, 1404, 1524, 1620, 1638, 1651, 1755, 1778, 1820, 1890, 1905, 2106, 2268, 2286, 2340, 2457, 2540, 2667, 2730, 2835, 3276, 3302, 3429, 3510, 3556, 3780, 3810, 4095, 4212, 4445, 4572, 4914, 4953, 5265, 5334, 5460, 5670, 5715, 6604, 6858, 7020, 7371, 7620, 8001, 8190, 8255, 8890, 9828, 9906, 10287, 10530, 10668, 11340, 11430, 11557, 12285, 13335, 13716, 14742, 14859, 16002, 16380, 16510, 17145, 17780, 19812, 20574, 21060, 22860, 23114, 24003, 24570, 24765, 26670, 29484, 29718, 32004, 33020, 34290, 34671, 36855, 40005, 41148, 44577, 46228, 48006, 49140, 49530, 51435, 53340, 57785, 59436, 68580, 69342, 72009, 73710, 74295, 80010, 89154, 96012, 99060, 102870, 104013, 115570, 120015, 133731, 138684, 144018, 147420, 148590, 160020, 173355, 178308, 205740, 208026, 222885, 231140, 240030, 267462, 288036, 297180, 312039, 346710, 360045, 416052, 445770, 480060, 520065, 534924, 624078, 668655, 693420, 720090, 891540, 936117, 1040130, 1248156, 1337310, 1440180, 1560195, 1872234, 2080260, 2674620, 3120390, 3744468, 4680585, 6240780, 9361170, 18722340]

約数ペア:

[(1, 18722340), (2, 9361170), (3, 6240780), (4, 4680585), (5, 3744468), (6, 3120390), (7, 2674620), (9, 2080260), (10, 1872234), (12, 1560195), (13, 1440180), (14, 1337310), (15, 1248156), (18, 1040130), (20, 936117), (21, 891540), (26, 720090), (27, 693420), (28, 668655), (30, 624078), (35, 534924), (36, 520065), (39, 480060), (42, 445770), (45, 416052), (52, 360045), (54, 346710), (60, 312039), (63, 297180), (65, 288036), (70, 267462), (78, 240030), (81, 231140), (84, 222885), (90, 208026), (91, 205740), (105, 178308), (108, 173355), (117, 160020), (126, 148590), (127, 147420), (130, 144018), (135, 138684), (140, 133731), (156, 120015), (162, 115570), (180, 104013), (182, 102870), (189, 99060), (195, 96012), (210, 89154), (234, 80010), (252, 74295), (254, 73710), (260, 72009), (270, 69342), (273, 68580), (315, 59436), (324, 57785), (351, 53340), (364, 51435), (378, 49530), (381, 49140), (390, 48006), (405, 46228), (420, 44577), (455, 41148), (468, 40005), (508, 36855), (540, 34671), (546, 34290), (567, 33020), (585, 32004), (630, 29718), (635, 29484), (702, 26670), (756, 24765), (762, 24570), (780, 24003), (810, 23114), (819, 22860), (889, 21060), (910, 20574), (945, 19812), (1053, 17780), (1092, 17145), (1134, 16510), (1143, 16380), (1170, 16002), (1260, 14859), (1270, 14742), (1365, 13716), (1404, 13335), (1524, 12285), (1620, 11557), (1638, 11430), (1651, 11340), (1755, 10668), (1778, 10530), (1820, 10287), (1890, 9906), (1905, 9828), (2106, 8890), (2268, 8255), (2286, 8190), (2340, 8001), (2457, 7620), (2540, 7371), (2667, 7020), (2730, 6858), (2835, 6604), (3276, 5715), (3302, 5670), (3429, 5460), (3510, 5334), (3556, 5265), (3780, 4953), (3810, 4914), (4095, 4572), (4212, 4445)]