40519920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:383

約数の個数: 160

約数和(自身を含む): 145704960

約数和(自身を除く): 105185040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 89, 105, 112, 120, 140, 168, 178, 210, 240, 267, 271, 280, 336, 356, 420, 445, 534, 542, 560, 623, 712, 813, 840, 890, 1068, 1084, 1246, 1335, 1355, 1424, 1626, 1680, 1780, 1869, 1897, 2136, 2168, 2492, 2670, 2710, 3115, 3252, 3560, 3738, 3794, 4065, 4272, 4336, 4984, 5340, 5420, 5691, 6230, 6504, 7120, 7476, 7588, 8130, 9345, 9485, 9968, 10680, 10840, 11382, 12460, 13008, 14952, 15176, 16260, 18690, 18970, 21360, 21680, 22764, 24119, 24920, 28455, 29904, 30352, 32520, 37380, 37940, 45528, 48238, 49840, 56910, 65040, 72357, 74760, 75880, 91056, 96476, 113820, 120595, 144714, 149520, 151760, 168833, 192952, 227640, 241190, 289428, 337666, 361785, 385904, 455280, 482380, 506499, 578856, 675332, 723570, 844165, 964760, 1012998, 1157712, 1350664, 1447140, 1688330, 1929520, 2025996, 2532495, 2701328, 2894280, 3376660, 4051992, 5064990, 5788560, 6753320, 8103984, 10129980, 13506640, 20259960, 40519920]

約数ペア:

[(1, 40519920), (2, 20259960), (3, 13506640), (4, 10129980), (5, 8103984), (6, 6753320), (7, 5788560), (8, 5064990), (10, 4051992), (12, 3376660), (14, 2894280), (15, 2701328), (16, 2532495), (20, 2025996), (21, 1929520), (24, 1688330), (28, 1447140), (30, 1350664), (35, 1157712), (40, 1012998), (42, 964760), (48, 844165), (56, 723570), (60, 675332), (70, 578856), (80, 506499), (84, 482380), (89, 455280), (105, 385904), (112, 361785), (120, 337666), (140, 289428), (168, 241190), (178, 227640), (210, 192952), (240, 168833), (267, 151760), (271, 149520), (280, 144714), (336, 120595), (356, 113820), (420, 96476), (445, 91056), (534, 75880), (542, 74760), (560, 72357), (623, 65040), (712, 56910), (813, 49840), (840, 48238), (890, 45528), (1068, 37940), (1084, 37380), (1246, 32520), (1335, 30352), (1355, 29904), (1424, 28455), (1626, 24920), (1680, 24119), (1780, 22764), (1869, 21680), (1897, 21360), (2136, 18970), (2168, 18690), (2492, 16260), (2670, 15176), (2710, 14952), (3115, 13008), (3252, 12460), (3560, 11382), (3738, 10840), (3794, 10680), (4065, 9968), (4272, 9485), (4336, 9345), (4984, 8130), (5340, 7588), (5420, 7476), (5691, 7120), (6230, 6504)]