21279000160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{547}}^1$

素因数の和:658

約数の個数: 288

約数和(自身を含む): 59239869696

約数和(自身を除く): 37960869536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 32, 40, 44, 46, 55, 62, 80, 88, 92, 110, 115, 124, 155, 160, 176, 184, 220, 230, 248, 253, 310, 341, 352, 368, 440, 460, 496, 506, 547, 620, 682, 713, 736, 880, 920, 961, 992, 1012, 1094, 1240, 1265, 1364, 1426, 1705, 1760, 1840, 1922, 2024, 2188, 2480, 2530, 2728, 2735, 2852, 3410, 3565, 3680, 3844, 4048, 4376, 4805, 4960, 5060, 5456, 5470, 5704, 6017, 6820, 7130, 7688, 7843, 8096, 8752, 9610, 10120, 10571, 10912, 10940, 11408, 12034, 12581, 13640, 14260, 15376, 15686, 16957, 17504, 19220, 20240, 21142, 21880, 22103, 22816, 24068, 25162, 27280, 28520, 30085, 30752, 31372, 33914, 38440, 39215, 40480, 42284, 43760, 44206, 48136, 50324, 52855, 54560, 57040, 60170, 62744, 62905, 67828, 76880, 78430, 84568, 84785, 87520, 88412, 96272, 100648, 105710, 110515, 114080, 120340, 125488, 125810, 135656, 138391, 153760, 156860, 169136, 169570, 176824, 186527, 192544, 201296, 211420, 221030, 240680, 243133, 250976, 251620, 271312, 276782, 313720, 338272, 339140, 353648, 373054, 390011, 402592, 422840, 442060, 481360, 486266, 503240, 525667, 542624, 553564, 627440, 678280, 691955, 707296, 746108, 780022, 845680, 884120, 932635, 962720, 972532, 1006480, 1051334, 1107128, 1215665, 1254880, 1356560, 1383910, 1492216, 1560044, 1691360, 1768240, 1865270, 1945064, 1950055, 2012960, 2102668, 2214256, 2431330, 2628335, 2713120, 2767820, 2984432, 3120088, 3536480, 3730540, 3890128, 3900110, 4205336, 4290121, 4428512, 4862660, 5256670, 5535640, 5782337, 5968864, 6240176, 7461080, 7780256, 7800220, 8410672, 8580242, 9725320, 10513340, 11071280, 11564674, 12090341, 12480352, 14922160, 15600440, 16821344, 17160484, 19450640, 21026680, 21450605, 22142560, 23129348, 24180682, 28911685, 29844320, 31200880, 34320968, 38901280, 42053360, 42901210, 46258696, 48361364, 57823370, 60451705, 62401760, 68641936, 84106720, 85802420, 92517392, 96722728, 115646740, 120903410, 132993751, 137283872, 171604840, 185034784, 193445456, 231293480, 241806820, 265987502, 343209680, 386890912, 462586960, 483613640, 531975004, 664968755, 686419360, 925173920, 967227280, 1063950008, 1329937510, 1934454560, 2127900016, 2659875020, 4255800032, 5319750040, 10639500080, 21279000160]

約数ペア:

[(1, 21279000160), (2, 10639500080), (4, 5319750040), (5, 4255800032), (8, 2659875020), (10, 2127900016), (11, 1934454560), (16, 1329937510), (20, 1063950008), (22, 967227280), (23, 925173920), (31, 686419360), (32, 664968755), (40, 531975004), (44, 483613640), (46, 462586960), (55, 386890912), (62, 343209680), (80, 265987502), (88, 241806820), (92, 231293480), (110, 193445456), (115, 185034784), (124, 171604840), (155, 137283872), (160, 132993751), (176, 120903410), (184, 115646740), (220, 96722728), (230, 92517392), (248, 85802420), (253, 84106720), (310, 68641936), (341, 62401760), (352, 60451705), (368, 57823370), (440, 48361364), (460, 46258696), (496, 42901210), (506, 42053360), (547, 38901280), (620, 34320968), (682, 31200880), (713, 29844320), (736, 28911685), (880, 24180682), (920, 23129348), (961, 22142560), (992, 21450605), (1012, 21026680), (1094, 19450640), (1240, 17160484), (1265, 16821344), (1364, 15600440), (1426, 14922160), (1705, 12480352), (1760, 12090341), (1840, 11564674), (1922, 11071280), (2024, 10513340), (2188, 9725320), (2480, 8580242), (2530, 8410672), (2728, 7800220), (2735, 7780256), (2852, 7461080), (3410, 6240176), (3565, 5968864), (3680, 5782337), (3844, 5535640), (4048, 5256670), (4376, 4862660), (4805, 4428512), (4960, 4290121), (5060, 4205336), (5456, 3900110), (5470, 3890128), (5704, 3730540), (6017, 3536480), (6820, 3120088), (7130, 2984432), (7688, 2767820), (7843, 2713120), (8096, 2628335), (8752, 2431330), (9610, 2214256), (10120, 2102668), (10571, 2012960), (10912, 1950055), (10940, 1945064), (11408, 1865270), (12034, 1768240), (12581, 1691360), (13640, 1560044), (14260, 1492216), (15376, 1383910), (15686, 1356560), (16957, 1254880), (17504, 1215665), (19220, 1107128), (20240, 1051334), (21142, 1006480), (21880, 972532), (22103, 962720), (22816, 932635), (24068, 884120), (25162, 845680), (27280, 780022), (28520, 746108), (30085, 707296), (30752, 691955), (31372, 678280), (33914, 627440), (38440, 553564), (39215, 542624), (40480, 525667), (42284, 503240), (43760, 486266), (44206, 481360), (48136, 442060), (50324, 422840), (52855, 402592), (54560, 390011), (57040, 373054), (60170, 353648), (62744, 339140), (62905, 338272), (67828, 313720), (76880, 276782), (78430, 271312), (84568, 251620), (84785, 250976), (87520, 243133), (88412, 240680), (96272, 221030), (100648, 211420), (105710, 201296), (110515, 192544), (114080, 186527), (120340, 176824), (125488, 169570), (125810, 169136), (135656, 156860), (138391, 153760)]