20439930240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{15913}}^1$

素因数の和:16161

約数の個数: 192

約数和(自身を含む): 70902599040

約数和(自身を除く): 50462668800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 223, 240, 288, 320, 360, 384, 446, 480, 576, 640, 669, 720, 892, 960, 1115, 1152, 1338, 1440, 1784, 1920, 2007, 2230, 2676, 2880, 3345, 3568, 4014, 4460, 5352, 5760, 6690, 7136, 8028, 8920, 10035, 10704, 13380, 14272, 15913, 16056, 17840, 20070, 21408, 26760, 28544, 31826, 32112, 35680, 40140, 42816, 47739, 53520, 63652, 64224, 71360, 79565, 80280, 85632, 95478, 107040, 127304, 128448, 142720, 143217, 159130, 160560, 190956, 214080, 238695, 254608, 256896, 286434, 318260, 321120, 381912, 428160, 477390, 509216, 572868, 636520, 642240, 716085, 763824, 954780, 1018432, 1145736, 1273040, 1284480, 1432170, 1527648, 1909560, 2036864, 2291472, 2546080, 2864340, 3055296, 3548599, 3819120, 4582944, 5092160, 5728680, 6110592, 7097198, 7638240, 9165888, 10184320, 10645797, 11457360, 14194396, 15276480, 17742995, 18331776, 21291594, 22914720, 28388792, 30552960, 31937391, 35485990, 42583188, 45829440, 53228985, 56777584, 63874782, 70971980, 85166376, 91658880, 106457970, 113555168, 127749564, 141943960, 159686955, 170332752, 212915940, 227110336, 255499128, 283887920, 319373910, 340665504, 425831880, 454220672, 510998256, 567775840, 638747820, 681331008, 851663760, 1021996512, 1135551680, 1277495640, 1362662016, 1703327520, 2043993024, 2271103360, 2554991280, 3406655040, 4087986048, 5109982560, 6813310080, 10219965120, 20439930240]

約数ペア:

[(1, 20439930240), (2, 10219965120), (3, 6813310080), (4, 5109982560), (5, 4087986048), (6, 3406655040), (8, 2554991280), (9, 2271103360), (10, 2043993024), (12, 1703327520), (15, 1362662016), (16, 1277495640), (18, 1135551680), (20, 1021996512), (24, 851663760), (30, 681331008), (32, 638747820), (36, 567775840), (40, 510998256), (45, 454220672), (48, 425831880), (60, 340665504), (64, 319373910), (72, 283887920), (80, 255499128), (90, 227110336), (96, 212915940), (120, 170332752), (128, 159686955), (144, 141943960), (160, 127749564), (180, 113555168), (192, 106457970), (223, 91658880), (240, 85166376), (288, 70971980), (320, 63874782), (360, 56777584), (384, 53228985), (446, 45829440), (480, 42583188), (576, 35485990), (640, 31937391), (669, 30552960), (720, 28388792), (892, 22914720), (960, 21291594), (1115, 18331776), (1152, 17742995), (1338, 15276480), (1440, 14194396), (1784, 11457360), (1920, 10645797), (2007, 10184320), (2230, 9165888), (2676, 7638240), (2880, 7097198), (3345, 6110592), (3568, 5728680), (4014, 5092160), (4460, 4582944), (5352, 3819120), (5760, 3548599), (6690, 3055296), (7136, 2864340), (8028, 2546080), (8920, 2291472), (10035, 2036864), (10704, 1909560), (13380, 1527648), (14272, 1432170), (15913, 1284480), (16056, 1273040), (17840, 1145736), (20070, 1018432), (21408, 954780), (26760, 763824), (28544, 716085), (31826, 642240), (32112, 636520), (35680, 572868), (40140, 509216), (42816, 477390), (47739, 428160), (53520, 381912), (63652, 321120), (64224, 318260), (71360, 286434), (79565, 256896), (80280, 254608), (85632, 238695), (95478, 214080), (107040, 190956), (127304, 160560), (128448, 159130), (142720, 143217)]