131775420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:428

約数の個数: 192

約数和(自身を含む): 451584000

約数和(自身を除く): 319808580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 31, 35, 42, 58, 60, 62, 70, 84, 87, 93, 105, 116, 124, 140, 145, 155, 174, 186, 203, 210, 217, 290, 310, 348, 349, 372, 406, 420, 434, 435, 465, 580, 609, 620, 651, 698, 812, 868, 870, 899, 930, 1015, 1047, 1085, 1218, 1302, 1396, 1740, 1745, 1798, 1860, 2030, 2094, 2170, 2436, 2443, 2604, 2697, 3045, 3255, 3490, 3596, 4060, 4188, 4340, 4495, 4886, 5235, 5394, 6090, 6293, 6510, 6980, 7329, 8990, 9772, 10121, 10470, 10788, 10819, 12180, 12215, 12586, 13020, 13485, 14658, 17980, 18879, 20242, 20940, 21638, 24430, 25172, 26970, 29316, 30363, 31465, 32457, 36645, 37758, 40484, 43276, 48860, 50605, 53940, 54095, 60726, 62930, 64914, 70847, 73290, 75516, 75733, 94395, 101210, 108190, 121452, 125860, 129828, 141694, 146580, 151466, 151815, 162285, 188790, 202420, 212541, 216380, 227199, 283388, 302932, 303630, 313751, 324570, 354235, 377580, 378665, 425082, 454398, 607260, 627502, 649140, 708470, 757330, 850164, 908796, 941253, 1062705, 1135995, 1255004, 1416940, 1514660, 1568755, 1882506, 2125410, 2196257, 2271990, 3137510, 3765012, 4250820, 4392514, 4543980, 4706265, 6275020, 6588771, 8785028, 9412530, 10981285, 13177542, 18825060, 21962570, 26355084, 32943855, 43925140, 65887710, 131775420]

約数ペア:

[(1, 131775420), (2, 65887710), (3, 43925140), (4, 32943855), (5, 26355084), (6, 21962570), (7, 18825060), (10, 13177542), (12, 10981285), (14, 9412530), (15, 8785028), (20, 6588771), (21, 6275020), (28, 4706265), (29, 4543980), (30, 4392514), (31, 4250820), (35, 3765012), (42, 3137510), (58, 2271990), (60, 2196257), (62, 2125410), (70, 1882506), (84, 1568755), (87, 1514660), (93, 1416940), (105, 1255004), (116, 1135995), (124, 1062705), (140, 941253), (145, 908796), (155, 850164), (174, 757330), (186, 708470), (203, 649140), (210, 627502), (217, 607260), (290, 454398), (310, 425082), (348, 378665), (349, 377580), (372, 354235), (406, 324570), (420, 313751), (434, 303630), (435, 302932), (465, 283388), (580, 227199), (609, 216380), (620, 212541), (651, 202420), (698, 188790), (812, 162285), (868, 151815), (870, 151466), (899, 146580), (930, 141694), (1015, 129828), (1047, 125860), (1085, 121452), (1218, 108190), (1302, 101210), (1396, 94395), (1740, 75733), (1745, 75516), (1798, 73290), (1860, 70847), (2030, 64914), (2094, 62930), (2170, 60726), (2436, 54095), (2443, 53940), (2604, 50605), (2697, 48860), (3045, 43276), (3255, 40484), (3490, 37758), (3596, 36645), (4060, 32457), (4188, 31465), (4340, 30363), (4495, 29316), (4886, 26970), (5235, 25172), (5394, 24430), (6090, 21638), (6293, 20940), (6510, 20242), (6980, 18879), (7329, 17980), (8990, 14658), (9772, 13485), (10121, 13020), (10470, 12586), (10788, 12215), (10819, 12180)]