71681280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1697}}^1$

素因数の和:1732

約数の個数: 144

約数和(自身を含む): 249891264

約数和(自身を除く): 178209984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1697, 1760, 1920, 2112, 2640, 2816, 3394, 3520, 3840, 4224, 5091, 5280, 6788, 7040, 8448, 8485, 10182, 10560, 13576, 14080, 16970, 18667, 20364, 21120, 25455, 27152, 33940, 37334, 40728, 42240, 50910, 54304, 56001, 67880, 74668, 81456, 93335, 101820, 108608, 112002, 135760, 149336, 162912, 186670, 203640, 217216, 224004, 271520, 280005, 298672, 325824, 373340, 407280, 434432, 448008, 543040, 560010, 597344, 651648, 746680, 814560, 896016, 1086080, 1120020, 1194688, 1303296, 1493360, 1629120, 1792032, 2172160, 2240040, 2389376, 2986720, 3258240, 3584064, 4480080, 4778752, 5973440, 6516480, 7168128, 8960160, 11946880, 14336256, 17920320, 23893760, 35840640, 71681280]

約数ペア:

[(1, 71681280), (2, 35840640), (3, 23893760), (4, 17920320), (5, 14336256), (6, 11946880), (8, 8960160), (10, 7168128), (11, 6516480), (12, 5973440), (15, 4778752), (16, 4480080), (20, 3584064), (22, 3258240), (24, 2986720), (30, 2389376), (32, 2240040), (33, 2172160), (40, 1792032), (44, 1629120), (48, 1493360), (55, 1303296), (60, 1194688), (64, 1120020), (66, 1086080), (80, 896016), (88, 814560), (96, 746680), (110, 651648), (120, 597344), (128, 560010), (132, 543040), (160, 448008), (165, 434432), (176, 407280), (192, 373340), (220, 325824), (240, 298672), (256, 280005), (264, 271520), (320, 224004), (330, 217216), (352, 203640), (384, 186670), (440, 162912), (480, 149336), (528, 135760), (640, 112002), (660, 108608), (704, 101820), (768, 93335), (880, 81456), (960, 74668), (1056, 67880), (1280, 56001), (1320, 54304), (1408, 50910), (1697, 42240), (1760, 40728), (1920, 37334), (2112, 33940), (2640, 27152), (2816, 25455), (3394, 21120), (3520, 20364), (3840, 18667), (4224, 16970), (5091, 14080), (5280, 13576), (6788, 10560), (7040, 10182), (8448, 8485)]