1820967720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:937

約数の個数: 256

約数和(自身を含む): 6478375680

約数和(自身を除く): 4657407960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 121, 130, 132, 143, 156, 165, 195, 220, 242, 260, 264, 286, 312, 330, 363, 390, 429, 440, 484, 520, 572, 605, 660, 715, 726, 780, 858, 877, 968, 1144, 1210, 1320, 1331, 1430, 1452, 1560, 1573, 1716, 1754, 1815, 2145, 2420, 2631, 2662, 2860, 2904, 3146, 3432, 3508, 3630, 3993, 4290, 4385, 4719, 4840, 5262, 5324, 5720, 6292, 6655, 7016, 7260, 7865, 7986, 8580, 8770, 9438, 9647, 10524, 10648, 11401, 12584, 13155, 13310, 14520, 15730, 15972, 17160, 17303, 17540, 18876, 19294, 19965, 21048, 22802, 23595, 26310, 26620, 28941, 31460, 31944, 34203, 34606, 35080, 37752, 38588, 39930, 45604, 47190, 48235, 51909, 52620, 53240, 57005, 57882, 62920, 68406, 69212, 77176, 79860, 86515, 91208, 94380, 96470, 103818, 105240, 106117, 114010, 115764, 125411, 136812, 138424, 144705, 159720, 171015, 173030, 188760, 192940, 207636, 212234, 228020, 231528, 250822, 259545, 273624, 289410, 318351, 342030, 346060, 376233, 385880, 415272, 424468, 456040, 501644, 519090, 530585, 578820, 627055, 636702, 684060, 692120, 752466, 848936, 1003288, 1038180, 1061170, 1157640, 1167287, 1254110, 1273404, 1368120, 1379521, 1504932, 1591755, 1881165, 2076360, 2122340, 2334574, 2508220, 2546808, 2759042, 3009864, 3183510, 3501861, 3762330, 4138563, 4244680, 4669148, 5016440, 5518084, 5836435, 6367020, 6897605, 7003722, 7524660, 8277126, 9338296, 11036168, 11672870, 12734040, 13795210, 14007444, 15049320, 15174731, 16554252, 17509305, 20692815, 23345740, 27590420, 28014888, 30349462, 33108504, 35018610, 41385630, 45524193, 46691480, 55180840, 60698924, 70037220, 75873655, 82771260, 91048386, 121397848, 140074440, 151747310, 165542520, 182096772, 227620965, 303494620, 364193544, 455241930, 606989240, 910483860, 1820967720]

約数ペア:

[(1, 1820967720), (2, 910483860), (3, 606989240), (4, 455241930), (5, 364193544), (6, 303494620), (8, 227620965), (10, 182096772), (11, 165542520), (12, 151747310), (13, 140074440), (15, 121397848), (20, 91048386), (22, 82771260), (24, 75873655), (26, 70037220), (30, 60698924), (33, 55180840), (39, 46691480), (40, 45524193), (44, 41385630), (52, 35018610), (55, 33108504), (60, 30349462), (65, 28014888), (66, 27590420), (78, 23345740), (88, 20692815), (104, 17509305), (110, 16554252), (120, 15174731), (121, 15049320), (130, 14007444), (132, 13795210), (143, 12734040), (156, 11672870), (165, 11036168), (195, 9338296), (220, 8277126), (242, 7524660), (260, 7003722), (264, 6897605), (286, 6367020), (312, 5836435), (330, 5518084), (363, 5016440), (390, 4669148), (429, 4244680), (440, 4138563), (484, 3762330), (520, 3501861), (572, 3183510), (605, 3009864), (660, 2759042), (715, 2546808), (726, 2508220), (780, 2334574), (858, 2122340), (877, 2076360), (968, 1881165), (1144, 1591755), (1210, 1504932), (1320, 1379521), (1331, 1368120), (1430, 1273404), (1452, 1254110), (1560, 1167287), (1573, 1157640), (1716, 1061170), (1754, 1038180), (1815, 1003288), (2145, 848936), (2420, 752466), (2631, 692120), (2662, 684060), (2860, 636702), (2904, 627055), (3146, 578820), (3432, 530585), (3508, 519090), (3630, 501644), (3993, 456040), (4290, 424468), (4385, 415272), (4719, 385880), (4840, 376233), (5262, 346060), (5324, 342030), (5720, 318351), (6292, 289410), (6655, 273624), (7016, 259545), (7260, 250822), (7865, 231528), (7986, 228020), (8580, 212234), (8770, 207636), (9438, 192940), (9647, 188760), (10524, 173030), (10648, 171015), (11401, 159720), (12584, 144705), (13155, 138424), (13310, 136812), (14520, 125411), (15730, 115764), (15972, 114010), (17160, 106117), (17303, 105240), (17540, 103818), (18876, 96470), (19294, 94380), (19965, 91208), (21048, 86515), (22802, 79860), (23595, 77176), (26310, 69212), (26620, 68406), (28941, 62920), (31460, 57882), (31944, 57005), (34203, 53240), (34606, 52620), (35080, 51909), (37752, 48235), (38588, 47190), (39930, 45604)]