40890240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:285

約数の個数: 192

約数和(自身を含む): 146390400

約数和(自身を除く): 105500160

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, 128, 144, 155, 160, 180, 186, 192, 229, 240, 248, 279, 288, 310, 320, 360, 372, 384, 458, 465, 480, 496, 558, 576, 620, 640, 687, 720, 744, 916, 930, 960, 992, 1116, 1145, 1152, 1240, 1374, 1395, 1440, 1488, 1832, 1860, 1920, 1984, 2061, 2232, 2290, 2480, 2748, 2790, 2880, 2976, 3435, 3664, 3720, 3968, 4122, 4464, 4580, 4960, 5496, 5580, 5760, 5952, 6870, 7099, 7328, 7440, 8244, 8928, 9160, 9920, 10305, 10992, 11160, 11904, 13740, 14198, 14656, 14880, 16488, 17856, 18320, 19840, 20610, 21297, 21984, 22320, 27480, 28396, 29312, 29760, 32976, 35495, 35712, 36640, 41220, 42594, 43968, 44640, 54960, 56792, 59520, 63891, 65952, 70990, 73280, 82440, 85188, 87936, 89280, 106485, 109920, 113584, 127782, 131904, 141980, 146560, 164880, 170376, 178560, 212970, 219840, 227168, 255564, 263808, 283960, 319455, 329760, 340752, 425940, 439680, 454336, 511128, 567920, 638910, 659520, 681504, 851880, 908672, 1022256, 1135840, 1277820, 1319040, 1363008, 1703760, 2044512, 2271680, 2555640, 2726016, 3407520, 4089024, 4543360, 5111280, 6815040, 8178048, 10222560, 13630080, 20445120, 40890240]

約数ペア:

[(1, 40890240), (2, 20445120), (3, 13630080), (4, 10222560), (5, 8178048), (6, 6815040), (8, 5111280), (9, 4543360), (10, 4089024), (12, 3407520), (15, 2726016), (16, 2555640), (18, 2271680), (20, 2044512), (24, 1703760), (30, 1363008), (31, 1319040), (32, 1277820), (36, 1135840), (40, 1022256), (45, 908672), (48, 851880), (60, 681504), (62, 659520), (64, 638910), (72, 567920), (80, 511128), (90, 454336), (93, 439680), (96, 425940), (120, 340752), (124, 329760), (128, 319455), (144, 283960), (155, 263808), (160, 255564), (180, 227168), (186, 219840), (192, 212970), (229, 178560), (240, 170376), (248, 164880), (279, 146560), (288, 141980), (310, 131904), (320, 127782), (360, 113584), (372, 109920), (384, 106485), (458, 89280), (465, 87936), (480, 85188), (496, 82440), (558, 73280), (576, 70990), (620, 65952), (640, 63891), (687, 59520), (720, 56792), (744, 54960), (916, 44640), (930, 43968), (960, 42594), (992, 41220), (1116, 36640), (1145, 35712), (1152, 35495), (1240, 32976), (1374, 29760), (1395, 29312), (1440, 28396), (1488, 27480), (1832, 22320), (1860, 21984), (1920, 21297), (1984, 20610), (2061, 19840), (2232, 18320), (2290, 17856), (2480, 16488), (2748, 14880), (2790, 14656), (2880, 14198), (2976, 13740), (3435, 11904), (3664, 11160), (3720, 10992), (3968, 10305), (4122, 9920), (4464, 9160), (4580, 8928), (4960, 8244), (5496, 7440), (5580, 7328), (5760, 7099), (5952, 6870)]