31505761280

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4051}}^1$

素因数の和:4121

約数の個数: 264

約数和(自身を含む): 90774395136

約数和(自身を除く): 59268633856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 256, 280, 310, 320, 392, 434, 448, 490, 496, 512, 560, 620, 640, 784, 868, 896, 980, 992, 1024, 1085, 1120, 1240, 1280, 1519, 1568, 1736, 1792, 1960, 1984, 2170, 2240, 2480, 2560, 3038, 3136, 3472, 3584, 3920, 3968, 4051, 4340, 4480, 4960, 5120, 6076, 6272, 6944, 7168, 7595, 7840, 7936, 8102, 8680, 8960, 9920, 12152, 12544, 13888, 15190, 15680, 15872, 16204, 17360, 17920, 19840, 20255, 24304, 25088, 27776, 28357, 30380, 31360, 31744, 32408, 34720, 35840, 39680, 40510, 48608, 50176, 55552, 56714, 60760, 62720, 64816, 69440, 79360, 81020, 97216, 111104, 113428, 121520, 125440, 125581, 129632, 138880, 141785, 158720, 162040, 194432, 198499, 222208, 226856, 243040, 250880, 251162, 259264, 277760, 283570, 324080, 388864, 396998, 453712, 486080, 502324, 518528, 555520, 567140, 627905, 648160, 777728, 793996, 879067, 907424, 972160, 992495, 1004648, 1037056, 1111040, 1134280, 1255810, 1296320, 1555456, 1587992, 1758134, 1814848, 1944320, 1984990, 2009296, 2074112, 2268560, 2511620, 2592640, 3175984, 3516268, 3629696, 3888640, 3969980, 4018592, 4148224, 4395335, 4537120, 5023240, 5185280, 6153469, 6351968, 7032536, 7259392, 7777280, 7939960, 8037184, 8790670, 9074240, 10046480, 10370560, 12306938, 12703936, 14065072, 14518784, 15879920, 16074368, 17581340, 18148480, 20092960, 20741120, 24613876, 25407872, 28130144, 29037568, 30767345, 31759840, 32148736, 35162680, 36296960, 40185920, 49227752, 50815744, 56260288, 61534690, 63519680, 64297472, 70325360, 72593920, 80371840, 98455504, 101631488, 112520576, 123069380, 127039360, 128594944, 140650720, 145187840, 160743680, 196911008, 203262976, 225041152, 246138760, 254078720, 281301440, 321487360, 393822016, 450082304, 492277520, 508157440, 562602880, 642974720, 787644032, 900164608, 984555040, 1016314880, 1125205760, 1575288064, 1969110080, 2250411520, 3150576128, 3938220160, 4500823040, 6301152256, 7876440320, 15752880640, 31505761280]

約数ペア:

[(1, 31505761280), (2, 15752880640), (4, 7876440320), (5, 6301152256), (7, 4500823040), (8, 3938220160), (10, 3150576128), (14, 2250411520), (16, 1969110080), (20, 1575288064), (28, 1125205760), (31, 1016314880), (32, 984555040), (35, 900164608), (40, 787644032), (49, 642974720), (56, 562602880), (62, 508157440), (64, 492277520), (70, 450082304), (80, 393822016), (98, 321487360), (112, 281301440), (124, 254078720), (128, 246138760), (140, 225041152), (155, 203262976), (160, 196911008), (196, 160743680), (217, 145187840), (224, 140650720), (245, 128594944), (248, 127039360), (256, 123069380), (280, 112520576), (310, 101631488), (320, 98455504), (392, 80371840), (434, 72593920), (448, 70325360), (490, 64297472), (496, 63519680), (512, 61534690), (560, 56260288), (620, 50815744), (640, 49227752), (784, 40185920), (868, 36296960), (896, 35162680), (980, 32148736), (992, 31759840), (1024, 30767345), (1085, 29037568), (1120, 28130144), (1240, 25407872), (1280, 24613876), (1519, 20741120), (1568, 20092960), (1736, 18148480), (1792, 17581340), (1960, 16074368), (1984, 15879920), (2170, 14518784), (2240, 14065072), (2480, 12703936), (2560, 12306938), (3038, 10370560), (3136, 10046480), (3472, 9074240), (3584, 8790670), (3920, 8037184), (3968, 7939960), (4051, 7777280), (4340, 7259392), (4480, 7032536), (4960, 6351968), (5120, 6153469), (6076, 5185280), (6272, 5023240), (6944, 4537120), (7168, 4395335), (7595, 4148224), (7840, 4018592), (7936, 3969980), (8102, 3888640), (8680, 3629696), (8960, 3516268), (9920, 3175984), (12152, 2592640), (12544, 2511620), (13888, 2268560), (15190, 2074112), (15680, 2009296), (15872, 1984990), (16204, 1944320), (17360, 1814848), (17920, 1758134), (19840, 1587992), (20255, 1555456), (24304, 1296320), (25088, 1255810), (27776, 1134280), (28357, 1111040), (30380, 1037056), (31360, 1004648), (31744, 992495), (32408, 972160), (34720, 907424), (35840, 879067), (39680, 793996), (40510, 777728), (48608, 648160), (50176, 627905), (55552, 567140), (56714, 555520), (60760, 518528), (62720, 502324), (64816, 486080), (69440, 453712), (79360, 396998), (81020, 388864), (97216, 324080), (111104, 283570), (113428, 277760), (121520, 259264), (125440, 251162), (125581, 250880), (129632, 243040), (138880, 226856), (141785, 222208), (158720, 198499), (162040, 194432)]