28392840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:636

約数の個数: 192

約数和(自身を含む): 111196800

約数和(自身を除く): 82803960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 593, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1186, 1197, 1260, 1330, 1368, 1596, 1710, 1779, 1995, 2280, 2372, 2394, 2520, 2660, 2965, 3192, 3420, 3558, 3990, 4151, 4744, 4788, 5320, 5337, 5930, 5985, 6840, 7116, 7980, 8302, 8895, 9576, 10674, 11267, 11860, 11970, 12453, 14232, 15960, 16604, 17790, 20755, 21348, 22534, 23720, 23940, 24906, 26685, 33208, 33801, 35580, 37359, 41510, 42696, 45068, 47880, 49812, 53370, 56335, 62265, 67602, 71160, 74718, 78869, 83020, 90136, 99624, 101403, 106740, 112670, 124530, 135204, 149436, 157738, 166040, 169005, 186795, 202806, 213480, 225340, 236607, 249060, 270408, 298872, 315476, 338010, 373590, 394345, 405612, 450680, 473214, 498120, 507015, 630952, 676020, 709821, 747180, 788690, 811224, 946428, 1014030, 1183035, 1352040, 1419642, 1494360, 1577380, 1892856, 2028060, 2366070, 2839284, 3154760, 3549105, 4056120, 4732140, 5678568, 7098210, 9464280, 14196420, 28392840]

約数ペア:

[(1, 28392840), (2, 14196420), (3, 9464280), (4, 7098210), (5, 5678568), (6, 4732140), (7, 4056120), (8, 3549105), (9, 3154760), (10, 2839284), (12, 2366070), (14, 2028060), (15, 1892856), (18, 1577380), (19, 1494360), (20, 1419642), (21, 1352040), (24, 1183035), (28, 1014030), (30, 946428), (35, 811224), (36, 788690), (38, 747180), (40, 709821), (42, 676020), (45, 630952), (56, 507015), (57, 498120), (60, 473214), (63, 450680), (70, 405612), (72, 394345), (76, 373590), (84, 338010), (90, 315476), (95, 298872), (105, 270408), (114, 249060), (120, 236607), (126, 225340), (133, 213480), (140, 202806), (152, 186795), (168, 169005), (171, 166040), (180, 157738), (190, 149436), (210, 135204), (228, 124530), (252, 112670), (266, 106740), (280, 101403), (285, 99624), (315, 90136), (342, 83020), (360, 78869), (380, 74718), (399, 71160), (420, 67602), (456, 62265), (504, 56335), (532, 53370), (570, 49812), (593, 47880), (630, 45068), (665, 42696), (684, 41510), (760, 37359), (798, 35580), (840, 33801), (855, 33208), (1064, 26685), (1140, 24906), (1186, 23940), (1197, 23720), (1260, 22534), (1330, 21348), (1368, 20755), (1596, 17790), (1710, 16604), (1779, 15960), (1995, 14232), (2280, 12453), (2372, 11970), (2394, 11860), (2520, 11267), (2660, 10674), (2965, 9576), (3192, 8895), (3420, 8302), (3558, 7980), (3990, 7116), (4151, 6840), (4744, 5985), (4788, 5930), (5320, 5337)]