640762560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7177}}^1$

素因数の和:7231

約数の個数: 168

約数和(自身を含む): 2275368576

約数和(自身を除く): 1634606016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5580, 5952, 7177, 7440, 8928, 9920, 11160, 14354, 14880, 17856, 21531, 22320, 28708, 29760, 35885, 43062, 44640, 57416, 64593, 71770, 86124, 89280, 107655, 114832, 129186, 143540, 172248, 215310, 222487, 229664, 258372, 287080, 322965, 344496, 430620, 444974, 459328, 516744, 574160, 645930, 667461, 688992, 861240, 889948, 1033488, 1112435, 1148320, 1291860, 1334922, 1377984, 1722480, 1779896, 2002383, 2066976, 2224870, 2296640, 2583720, 2669844, 3337305, 3444960, 3559792, 4004766, 4133952, 4449740, 5167440, 5339688, 6674610, 6889920, 7119584, 8009532, 8899480, 10011915, 10334880, 10679376, 13349220, 14239168, 16019064, 17798960, 20023830, 20669760, 21358752, 26698440, 32038128, 35597920, 40047660, 42717504, 53396880, 64076256, 71195840, 80095320, 106793760, 128152512, 160190640, 213587520, 320381280, 640762560]

約数ペア:

[(1, 640762560), (2, 320381280), (3, 213587520), (4, 160190640), (5, 128152512), (6, 106793760), (8, 80095320), (9, 71195840), (10, 64076256), (12, 53396880), (15, 42717504), (16, 40047660), (18, 35597920), (20, 32038128), (24, 26698440), (30, 21358752), (31, 20669760), (32, 20023830), (36, 17798960), (40, 16019064), (45, 14239168), (48, 13349220), (60, 10679376), (62, 10334880), (64, 10011915), (72, 8899480), (80, 8009532), (90, 7119584), (93, 6889920), (96, 6674610), (120, 5339688), (124, 5167440), (144, 4449740), (155, 4133952), (160, 4004766), (180, 3559792), (186, 3444960), (192, 3337305), (240, 2669844), (248, 2583720), (279, 2296640), (288, 2224870), (310, 2066976), (320, 2002383), (360, 1779896), (372, 1722480), (465, 1377984), (480, 1334922), (496, 1291860), (558, 1148320), (576, 1112435), (620, 1033488), (720, 889948), (744, 861240), (930, 688992), (960, 667461), (992, 645930), (1116, 574160), (1240, 516744), (1395, 459328), (1440, 444974), (1488, 430620), (1860, 344496), (1984, 322965), (2232, 287080), (2480, 258372), (2790, 229664), (2880, 222487), (2976, 215310), (3720, 172248), (4464, 143540), (4960, 129186), (5580, 114832), (5952, 107655), (7177, 89280), (7440, 86124), (8928, 71770), (9920, 64593), (11160, 57416), (14354, 44640), (14880, 43062), (17856, 35885), (21531, 29760), (22320, 28708)]