2178813920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 192

約数和(自身を含む): 5643509760

約数和(自身を除く): 3464695840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 71, 80, 92, 115, 124, 142, 155, 160, 184, 230, 248, 269, 284, 310, 355, 368, 460, 496, 538, 568, 620, 710, 713, 736, 920, 992, 1076, 1136, 1240, 1345, 1420, 1426, 1633, 1840, 2152, 2201, 2272, 2480, 2690, 2840, 2852, 3266, 3565, 3680, 4304, 4402, 4960, 5380, 5680, 5704, 6187, 6532, 7130, 8165, 8339, 8608, 8804, 10760, 11005, 11360, 11408, 12374, 13064, 14260, 16330, 16678, 17608, 19099, 21520, 22010, 22816, 24748, 26128, 28520, 30935, 32660, 33356, 35216, 38198, 41695, 43040, 44020, 49496, 50623, 52256, 57040, 61870, 65320, 66712, 70432, 76396, 83390, 88040, 95495, 98992, 101246, 114080, 123740, 130640, 133424, 152792, 166780, 176080, 190990, 191797, 197984, 202492, 247480, 253115, 261280, 266848, 305584, 333560, 352160, 381980, 383594, 404984, 439277, 494960, 506230, 592069, 611168, 667120, 763960, 767188, 809968, 878554, 958985, 989920, 1012460, 1184138, 1334240, 1527920, 1534376, 1619936, 1757108, 1917970, 2024920, 2196385, 2368276, 2960345, 3055840, 3068752, 3514216, 3835940, 4049840, 4392770, 4736552, 5920690, 6137504, 7028432, 7671880, 8099680, 8785540, 9473104, 11841380, 13617587, 14056864, 15343760, 17571080, 18946208, 23682760, 27235174, 30687520, 35142160, 47365520, 54470348, 68087935, 70284320, 94731040, 108940696, 136175870, 217881392, 272351740, 435762784, 544703480, 1089406960, 2178813920]

約数ペア:

[(1, 2178813920), (2, 1089406960), (4, 544703480), (5, 435762784), (8, 272351740), (10, 217881392), (16, 136175870), (20, 108940696), (23, 94731040), (31, 70284320), (32, 68087935), (40, 54470348), (46, 47365520), (62, 35142160), (71, 30687520), (80, 27235174), (92, 23682760), (115, 18946208), (124, 17571080), (142, 15343760), (155, 14056864), (160, 13617587), (184, 11841380), (230, 9473104), (248, 8785540), (269, 8099680), (284, 7671880), (310, 7028432), (355, 6137504), (368, 5920690), (460, 4736552), (496, 4392770), (538, 4049840), (568, 3835940), (620, 3514216), (710, 3068752), (713, 3055840), (736, 2960345), (920, 2368276), (992, 2196385), (1076, 2024920), (1136, 1917970), (1240, 1757108), (1345, 1619936), (1420, 1534376), (1426, 1527920), (1633, 1334240), (1840, 1184138), (2152, 1012460), (2201, 989920), (2272, 958985), (2480, 878554), (2690, 809968), (2840, 767188), (2852, 763960), (3266, 667120), (3565, 611168), (3680, 592069), (4304, 506230), (4402, 494960), (4960, 439277), (5380, 404984), (5680, 383594), (5704, 381980), (6187, 352160), (6532, 333560), (7130, 305584), (8165, 266848), (8339, 261280), (8608, 253115), (8804, 247480), (10760, 202492), (11005, 197984), (11360, 191797), (11408, 190990), (12374, 176080), (13064, 166780), (14260, 152792), (16330, 133424), (16678, 130640), (17608, 123740), (19099, 114080), (21520, 101246), (22010, 98992), (22816, 95495), (24748, 88040), (26128, 83390), (28520, 76396), (30935, 70432), (32660, 66712), (33356, 65320), (35216, 61870), (38198, 57040), (41695, 52256), (43040, 50623), (44020, 49496)]