491531520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6737}}^1$

素因数の和:6780

約数の個数: 144

約数和(自身を含む): 1652696640

約数和(自身を除く): 1161165120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 768, 912, 960, 1140, 1216, 1280, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 3840, 4560, 4864, 6080, 6737, 7296, 9120, 12160, 13474, 14592, 18240, 20211, 24320, 26948, 33685, 36480, 40422, 53896, 67370, 72960, 80844, 101055, 107792, 128003, 134740, 161688, 202110, 215584, 256006, 269480, 323376, 384009, 404220, 431168, 512012, 538960, 640015, 646752, 768018, 808440, 862336, 1024024, 1077920, 1280030, 1293504, 1536036, 1616880, 1724672, 1920045, 2048048, 2155840, 2560060, 2587008, 3072072, 3233760, 3840090, 4096096, 4311680, 5120120, 5174016, 6144144, 6467520, 7680180, 8192192, 8623360, 10240240, 12288288, 12935040, 15360360, 16384384, 20480480, 24576576, 25870080, 30720720, 32768768, 40960960, 49153152, 61441440, 81921920, 98306304, 122882880, 163843840, 245765760, 491531520]

約数ペア:

[(1, 491531520), (2, 245765760), (3, 163843840), (4, 122882880), (5, 98306304), (6, 81921920), (8, 61441440), (10, 49153152), (12, 40960960), (15, 32768768), (16, 30720720), (19, 25870080), (20, 24576576), (24, 20480480), (30, 16384384), (32, 15360360), (38, 12935040), (40, 12288288), (48, 10240240), (57, 8623360), (60, 8192192), (64, 7680180), (76, 6467520), (80, 6144144), (95, 5174016), (96, 5120120), (114, 4311680), (120, 4096096), (128, 3840090), (152, 3233760), (160, 3072072), (190, 2587008), (192, 2560060), (228, 2155840), (240, 2048048), (256, 1920045), (285, 1724672), (304, 1616880), (320, 1536036), (380, 1293504), (384, 1280030), (456, 1077920), (480, 1024024), (570, 862336), (608, 808440), (640, 768018), (760, 646752), (768, 640015), (912, 538960), (960, 512012), (1140, 431168), (1216, 404220), (1280, 384009), (1520, 323376), (1824, 269480), (1920, 256006), (2280, 215584), (2432, 202110), (3040, 161688), (3648, 134740), (3840, 128003), (4560, 107792), (4864, 101055), (6080, 80844), (6737, 72960), (7296, 67370), (9120, 53896), (12160, 40422), (13474, 36480), (14592, 33685), (18240, 26948), (20211, 24320)]