19733760

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{571}}^1$

素因数の和:601

約数の個数: 144

約数和(自身を含む): 70150080

約数和(自身を除く): 50416320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 571, 576, 640, 720, 768, 864, 960, 1080, 1142, 1152, 1280, 1440, 1713, 1728, 1920, 2160, 2284, 2304, 2855, 2880, 3426, 3456, 3840, 4320, 4568, 5139, 5710, 5760, 6852, 6912, 8565, 8640, 9136, 10278, 11420, 11520, 13704, 15417, 17130, 17280, 18272, 20556, 22840, 25695, 27408, 30834, 34260, 34560, 36544, 41112, 45680, 51390, 54816, 61668, 68520, 73088, 77085, 82224, 91360, 102780, 109632, 123336, 137040, 146176, 154170, 164448, 182720, 205560, 219264, 246672, 274080, 308340, 328896, 365440, 411120, 438528, 493344, 548160, 616680, 657792, 730880, 822240, 986688, 1096320, 1233360, 1315584, 1644480, 1973376, 2192640, 2466720, 3288960, 3946752, 4933440, 6577920, 9866880, 19733760]

約数ペア:

[(1, 19733760), (2, 9866880), (3, 6577920), (4, 4933440), (5, 3946752), (6, 3288960), (8, 2466720), (9, 2192640), (10, 1973376), (12, 1644480), (15, 1315584), (16, 1233360), (18, 1096320), (20, 986688), (24, 822240), (27, 730880), (30, 657792), (32, 616680), (36, 548160), (40, 493344), (45, 438528), (48, 411120), (54, 365440), (60, 328896), (64, 308340), (72, 274080), (80, 246672), (90, 219264), (96, 205560), (108, 182720), (120, 164448), (128, 154170), (135, 146176), (144, 137040), (160, 123336), (180, 109632), (192, 102780), (216, 91360), (240, 82224), (256, 77085), (270, 73088), (288, 68520), (320, 61668), (360, 54816), (384, 51390), (432, 45680), (480, 41112), (540, 36544), (571, 34560), (576, 34260), (640, 30834), (720, 27408), (768, 25695), (864, 22840), (960, 20556), (1080, 18272), (1142, 17280), (1152, 17130), (1280, 15417), (1440, 13704), (1713, 11520), (1728, 11420), (1920, 10278), (2160, 9136), (2284, 8640), (2304, 8565), (2855, 6912), (2880, 6852), (3426, 5760), (3456, 5710), (3840, 5139), (4320, 4568)]