28344656560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^2\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 240

約数和(自身を含む): 75170608416

約数和(自身を除く): 46825951856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 277, 310, 341, 440, 484, 496, 554, 605, 620, 682, 880, 961, 968, 1108, 1210, 1240, 1331, 1364, 1385, 1705, 1922, 1936, 2216, 2420, 2480, 2662, 2728, 2770, 3047, 3410, 3751, 3844, 4432, 4805, 4840, 5324, 5456, 5540, 6094, 6655, 6820, 7502, 7688, 8587, 9610, 9680, 10571, 10648, 11080, 12188, 13310, 13640, 15004, 15235, 15376, 17174, 18755, 19220, 21142, 21296, 22160, 24376, 26620, 27280, 30008, 30470, 33517, 34348, 37510, 38440, 41261, 42284, 42935, 48752, 52855, 53240, 60016, 60940, 67034, 68696, 75020, 76880, 82522, 84568, 85870, 94457, 105710, 106480, 116281, 121880, 134068, 137392, 150040, 165044, 167585, 169136, 171740, 188914, 206305, 211420, 232562, 243760, 266197, 268136, 300080, 330088, 335170, 343480, 368687, 377828, 412610, 422840, 465124, 472285, 532394, 536272, 581405, 660176, 670340, 686960, 737374, 755656, 825220, 845680, 930248, 944570, 1039027, 1064788, 1162810, 1279091, 1330985, 1340680, 1474748, 1511312, 1650440, 1843435, 1860496, 1889140, 2078054, 2129576, 2325620, 2558182, 2661970, 2681360, 2928167, 2949496, 3300880, 3686870, 3778280, 4156108, 4259152, 4651240, 5116364, 5195135, 5323940, 5856334, 5898992, 6395455, 7373740, 7556560, 8312216, 9302480, 10232728, 10390270, 10647880, 11429297, 11712668, 12790910, 14640835, 14747480, 16624432, 20465456, 20780540, 21295760, 22858594, 23425336, 25581820, 29281670, 29494960, 32209837, 41561080, 45717188, 46850672, 51163640, 57146485, 58563340, 64419674, 83122160, 91434376, 102327280, 114292970, 117126680, 128839348, 161049185, 182868752, 228585940, 234253360, 257678696, 322098370, 354308207, 457171880, 515357392, 644196740, 708616414, 914343760, 1288393480, 1417232828, 1771541035, 2576786960, 2834465656, 3543082070, 5668931312, 7086164140, 14172328280, 28344656560]

約数ペア:

[(1, 28344656560), (2, 14172328280), (4, 7086164140), (5, 5668931312), (8, 3543082070), (10, 2834465656), (11, 2576786960), (16, 1771541035), (20, 1417232828), (22, 1288393480), (31, 914343760), (40, 708616414), (44, 644196740), (55, 515357392), (62, 457171880), (80, 354308207), (88, 322098370), (110, 257678696), (121, 234253360), (124, 228585940), (155, 182868752), (176, 161049185), (220, 128839348), (242, 117126680), (248, 114292970), (277, 102327280), (310, 91434376), (341, 83122160), (440, 64419674), (484, 58563340), (496, 57146485), (554, 51163640), (605, 46850672), (620, 45717188), (682, 41561080), (880, 32209837), (961, 29494960), (968, 29281670), (1108, 25581820), (1210, 23425336), (1240, 22858594), (1331, 21295760), (1364, 20780540), (1385, 20465456), (1705, 16624432), (1922, 14747480), (1936, 14640835), (2216, 12790910), (2420, 11712668), (2480, 11429297), (2662, 10647880), (2728, 10390270), (2770, 10232728), (3047, 9302480), (3410, 8312216), (3751, 7556560), (3844, 7373740), (4432, 6395455), (4805, 5898992), (4840, 5856334), (5324, 5323940), (5456, 5195135), (5540, 5116364), (6094, 4651240), (6655, 4259152), (6820, 4156108), (7502, 3778280), (7688, 3686870), (8587, 3300880), (9610, 2949496), (9680, 2928167), (10571, 2681360), (10648, 2661970), (11080, 2558182), (12188, 2325620), (13310, 2129576), (13640, 2078054), (15004, 1889140), (15235, 1860496), (15376, 1843435), (17174, 1650440), (18755, 1511312), (19220, 1474748), (21142, 1340680), (21296, 1330985), (22160, 1279091), (24376, 1162810), (26620, 1064788), (27280, 1039027), (30008, 944570), (30470, 930248), (33517, 845680), (34348, 825220), (37510, 755656), (38440, 737374), (41261, 686960), (42284, 670340), (42935, 660176), (48752, 581405), (52855, 536272), (53240, 532394), (60016, 472285), (60940, 465124), (67034, 422840), (68696, 412610), (75020, 377828), (76880, 368687), (82522, 343480), (84568, 335170), (85870, 330088), (94457, 300080), (105710, 268136), (106480, 266197), (116281, 243760), (121880, 232562), (134068, 211420), (137392, 206305), (150040, 188914), (165044, 171740), (167585, 169136)]