72221760

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:682

約数の個数: 224

約数和(自身を含む): 274807680

約数和(自身を除く): 202585920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 643, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1170, 1248, 1286, 1404, 1440, 1560, 1728, 1755, 1872, 1929, 2080, 2160, 2340, 2496, 2572, 2808, 2880, 3120, 3215, 3510, 3744, 3858, 4160, 4320, 4680, 5144, 5616, 5787, 6240, 6430, 7020, 7488, 7716, 8359, 8640, 9360, 9645, 10288, 11232, 11574, 12480, 12860, 14040, 15432, 16718, 17361, 18720, 19290, 20576, 22464, 23148, 25077, 25720, 28080, 28935, 30864, 33436, 34722, 37440, 38580, 41152, 41795, 46296, 50154, 51440, 56160, 57870, 61728, 66872, 69444, 75231, 77160, 83590, 86805, 92592, 100308, 102880, 112320, 115740, 123456, 125385, 133744, 138888, 150462, 154320, 167180, 173610, 185184, 200616, 205760, 225693, 231480, 250770, 267488, 277776, 300924, 308640, 334360, 347220, 370368, 376155, 401232, 451386, 462960, 501540, 534976, 555552, 601848, 617280, 668720, 694440, 752310, 802464, 902772, 925920, 1003080, 1111104, 1128465, 1203696, 1337440, 1388880, 1504620, 1604928, 1805544, 1851840, 2006160, 2256930, 2407392, 2674880, 2777760, 3009240, 3611088, 4012320, 4513860, 4814784, 5555520, 6018480, 7222176, 8024640, 9027720, 12036960, 14444352, 18055440, 24073920, 36110880, 72221760]

約数ペア:

[(1, 72221760), (2, 36110880), (3, 24073920), (4, 18055440), (5, 14444352), (6, 12036960), (8, 9027720), (9, 8024640), (10, 7222176), (12, 6018480), (13, 5555520), (15, 4814784), (16, 4513860), (18, 4012320), (20, 3611088), (24, 3009240), (26, 2777760), (27, 2674880), (30, 2407392), (32, 2256930), (36, 2006160), (39, 1851840), (40, 1805544), (45, 1604928), (48, 1504620), (52, 1388880), (54, 1337440), (60, 1203696), (64, 1128465), (65, 1111104), (72, 1003080), (78, 925920), (80, 902772), (90, 802464), (96, 752310), (104, 694440), (108, 668720), (117, 617280), (120, 601848), (130, 555552), (135, 534976), (144, 501540), (156, 462960), (160, 451386), (180, 401232), (192, 376155), (195, 370368), (208, 347220), (216, 334360), (234, 308640), (240, 300924), (260, 277776), (270, 267488), (288, 250770), (312, 231480), (320, 225693), (351, 205760), (360, 200616), (390, 185184), (416, 173610), (432, 167180), (468, 154320), (480, 150462), (520, 138888), (540, 133744), (576, 125385), (585, 123456), (624, 115740), (643, 112320), (702, 102880), (720, 100308), (780, 92592), (832, 86805), (864, 83590), (936, 77160), (960, 75231), (1040, 69444), (1080, 66872), (1170, 61728), (1248, 57870), (1286, 56160), (1404, 51440), (1440, 50154), (1560, 46296), (1728, 41795), (1755, 41152), (1872, 38580), (1929, 37440), (2080, 34722), (2160, 33436), (2340, 30864), (2496, 28935), (2572, 28080), (2808, 25720), (2880, 25077), (3120, 23148), (3215, 22464), (3510, 20576), (3744, 19290), (3858, 18720), (4160, 17361), (4320, 16718), (4680, 15432), (5144, 14040), (5616, 12860), (5787, 12480), (6240, 11574), (6430, 11232), (7020, 10288), (7488, 9645), (7716, 9360), (8359, 8640)]