661345210880

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{117373}}^1$

素因数の和:117498

約数の個数: 160

約数和(自身を含む): 1659897474048

約数和(自身を除く): 998552263168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 248, 256, 284, 310, 320, 355, 496, 512, 568, 620, 640, 710, 992, 1136, 1240, 1280, 1420, 1984, 2201, 2272, 2480, 2560, 2840, 3968, 4402, 4544, 4960, 5680, 7936, 8804, 9088, 9920, 11005, 11360, 15872, 17608, 18176, 19840, 22010, 22720, 35216, 36352, 39680, 44020, 45440, 70432, 79360, 88040, 90880, 117373, 140864, 176080, 181760, 234746, 281728, 352160, 469492, 563456, 586865, 704320, 938984, 1126912, 1173730, 1408640, 1877968, 2347460, 2817280, 3638563, 3755936, 4694920, 5634560, 7277126, 7511872, 8333483, 9389840, 14554252, 15023744, 16666966, 18192815, 18779680, 29108504, 30047488, 33333932, 36385630, 37559360, 41667415, 58217008, 60094976, 66667864, 72771260, 75118720, 83334830, 116434016, 133335728, 145542520, 150237440, 166669660, 232868032, 258337973, 266671456, 291085040, 300474880, 333339320, 465736064, 516675946, 533342912, 582170080, 666678640, 931472128, 1033351892, 1066685824, 1164340160, 1291689865, 1333357280, 1862944256, 2066703784, 2133371648, 2328680320, 2583379730, 2666714560, 4133407568, 4266743296, 4657360640, 5166759460, 5333429120, 8266815136, 9314721280, 10333518920, 10666858240, 16533630272, 20667037840, 21333716480, 33067260544, 41334075680, 66134521088, 82668151360, 132269042176, 165336302720, 330672605440, 661345210880]

約数ペア:

[(1, 661345210880), (2, 330672605440), (4, 165336302720), (5, 132269042176), (8, 82668151360), (10, 66134521088), (16, 41334075680), (20, 33067260544), (31, 21333716480), (32, 20667037840), (40, 16533630272), (62, 10666858240), (64, 10333518920), (71, 9314721280), (80, 8266815136), (124, 5333429120), (128, 5166759460), (142, 4657360640), (155, 4266743296), (160, 4133407568), (248, 2666714560), (256, 2583379730), (284, 2328680320), (310, 2133371648), (320, 2066703784), (355, 1862944256), (496, 1333357280), (512, 1291689865), (568, 1164340160), (620, 1066685824), (640, 1033351892), (710, 931472128), (992, 666678640), (1136, 582170080), (1240, 533342912), (1280, 516675946), (1420, 465736064), (1984, 333339320), (2201, 300474880), (2272, 291085040), (2480, 266671456), (2560, 258337973), (2840, 232868032), (3968, 166669660), (4402, 150237440), (4544, 145542520), (4960, 133335728), (5680, 116434016), (7936, 83334830), (8804, 75118720), (9088, 72771260), (9920, 66667864), (11005, 60094976), (11360, 58217008), (15872, 41667415), (17608, 37559360), (18176, 36385630), (19840, 33333932), (22010, 30047488), (22720, 29108504), (35216, 18779680), (36352, 18192815), (39680, 16666966), (44020, 15023744), (45440, 14554252), (70432, 9389840), (79360, 8333483), (88040, 7511872), (90880, 7277126), (117373, 5634560), (140864, 4694920), (176080, 3755936), (181760, 3638563), (234746, 2817280), (281728, 2347460), (352160, 1877968), (469492, 1408640), (563456, 1173730), (586865, 1126912), (704320, 938984)]