72971520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:668

約数の個数: 144

約数和(自身を含む): 240963072

約数和(自身を除く): 167991552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 613, 620, 640, 744, 768, 930, 960, 992, 1226, 1240, 1280, 1488, 1839, 1860, 1920, 1984, 2452, 2480, 2976, 3065, 3678, 3720, 3840, 3968, 4904, 4960, 5952, 6130, 7356, 7440, 7936, 9195, 9808, 9920, 11904, 12260, 14712, 14880, 18390, 19003, 19616, 19840, 23808, 24520, 29424, 29760, 36780, 38006, 39232, 39680, 49040, 57009, 58848, 59520, 73560, 76012, 78464, 95015, 98080, 114018, 117696, 119040, 147120, 152024, 156928, 190030, 196160, 228036, 235392, 285045, 294240, 304048, 380060, 392320, 456072, 470784, 570090, 588480, 608096, 760120, 784640, 912144, 1140180, 1176960, 1216192, 1520240, 1824288, 2280360, 2353920, 2432384, 3040480, 3648576, 4560720, 4864768, 6080960, 7297152, 9121440, 12161920, 14594304, 18242880, 24323840, 36485760, 72971520]

約数ペア:

[(1, 72971520), (2, 36485760), (3, 24323840), (4, 18242880), (5, 14594304), (6, 12161920), (8, 9121440), (10, 7297152), (12, 6080960), (15, 4864768), (16, 4560720), (20, 3648576), (24, 3040480), (30, 2432384), (31, 2353920), (32, 2280360), (40, 1824288), (48, 1520240), (60, 1216192), (62, 1176960), (64, 1140180), (80, 912144), (93, 784640), (96, 760120), (120, 608096), (124, 588480), (128, 570090), (155, 470784), (160, 456072), (186, 392320), (192, 380060), (240, 304048), (248, 294240), (256, 285045), (310, 235392), (320, 228036), (372, 196160), (384, 190030), (465, 156928), (480, 152024), (496, 147120), (613, 119040), (620, 117696), (640, 114018), (744, 98080), (768, 95015), (930, 78464), (960, 76012), (992, 73560), (1226, 59520), (1240, 58848), (1280, 57009), (1488, 49040), (1839, 39680), (1860, 39232), (1920, 38006), (1984, 36780), (2452, 29760), (2480, 29424), (2976, 24520), (3065, 23808), (3678, 19840), (3720, 19616), (3840, 19003), (3968, 18390), (4904, 14880), (4960, 14712), (5952, 12260), (6130, 11904), (7356, 9920), (7440, 9808), (7936, 9195)]