40715520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 135983232

約数和(自身を除く): 95267712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 461, 480, 552, 640, 690, 736, 768, 920, 922, 960, 1104, 1280, 1380, 1383, 1472, 1840, 1844, 1920, 2208, 2305, 2760, 2766, 2944, 3680, 3688, 3840, 4416, 4610, 5520, 5532, 5888, 6915, 7360, 7376, 8832, 9220, 10603, 11040, 11064, 13830, 14720, 14752, 17664, 18440, 21206, 22080, 22128, 27660, 29440, 29504, 31809, 36880, 42412, 44160, 44256, 53015, 55320, 59008, 63618, 73760, 84824, 88320, 88512, 106030, 110640, 118016, 127236, 147520, 159045, 169648, 177024, 212060, 221280, 254472, 295040, 318090, 339296, 354048, 424120, 442560, 508944, 590080, 636180, 678592, 848240, 885120, 1017888, 1272360, 1357184, 1696480, 1770240, 2035776, 2544720, 2714368, 3392960, 4071552, 5089440, 6785920, 8143104, 10178880, 13571840, 20357760, 40715520]

約数ペア:

[(1, 40715520), (2, 20357760), (3, 13571840), (4, 10178880), (5, 8143104), (6, 6785920), (8, 5089440), (10, 4071552), (12, 3392960), (15, 2714368), (16, 2544720), (20, 2035776), (23, 1770240), (24, 1696480), (30, 1357184), (32, 1272360), (40, 1017888), (46, 885120), (48, 848240), (60, 678592), (64, 636180), (69, 590080), (80, 508944), (92, 442560), (96, 424120), (115, 354048), (120, 339296), (128, 318090), (138, 295040), (160, 254472), (184, 221280), (192, 212060), (230, 177024), (240, 169648), (256, 159045), (276, 147520), (320, 127236), (345, 118016), (368, 110640), (384, 106030), (460, 88512), (461, 88320), (480, 84824), (552, 73760), (640, 63618), (690, 59008), (736, 55320), (768, 53015), (920, 44256), (922, 44160), (960, 42412), (1104, 36880), (1280, 31809), (1380, 29504), (1383, 29440), (1472, 27660), (1840, 22128), (1844, 22080), (1920, 21206), (2208, 18440), (2305, 17664), (2760, 14752), (2766, 14720), (2944, 13830), (3680, 11064), (3688, 11040), (3840, 10603), (4416, 9220), (4610, 8832), (5520, 7376), (5532, 7360), (5888, 6915)]