28111860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 240

約数和(自身を含む): 105055104

約数和(自身を除く): 76943244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 37, 42, 45, 54, 60, 63, 67, 70, 74, 81, 84, 90, 105, 108, 111, 126, 134, 135, 140, 148, 162, 180, 185, 189, 201, 210, 222, 252, 259, 268, 270, 315, 324, 333, 335, 370, 378, 402, 405, 420, 444, 469, 518, 540, 555, 567, 603, 630, 666, 670, 740, 756, 777, 804, 810, 938, 945, 999, 1005, 1036, 1110, 1134, 1206, 1260, 1295, 1332, 1340, 1407, 1554, 1620, 1665, 1809, 1876, 1890, 1998, 2010, 2220, 2268, 2331, 2345, 2412, 2479, 2590, 2814, 2835, 2997, 3015, 3108, 3330, 3618, 3780, 3885, 3996, 4020, 4221, 4662, 4690, 4958, 4995, 5180, 5427, 5628, 5670, 5994, 6030, 6660, 6993, 7035, 7236, 7437, 7770, 8442, 9045, 9324, 9380, 9916, 9990, 10854, 11340, 11655, 11988, 12060, 12395, 12663, 13986, 14070, 14874, 14985, 15540, 16884, 17353, 18090, 19980, 20979, 21105, 21708, 22311, 23310, 24790, 25326, 27135, 27972, 28140, 29748, 29970, 34706, 34965, 36180, 37185, 37989, 41958, 42210, 44622, 46620, 49580, 50652, 52059, 54270, 59940, 63315, 66933, 69412, 69930, 74370, 75978, 83916, 84420, 86765, 89244, 104118, 104895, 108540, 111555, 126630, 133866, 139860, 148740, 151956, 156177, 173530, 189945, 200799, 208236, 209790, 223110, 253260, 260295, 267732, 312354, 334665, 347060, 379890, 401598, 419580, 446220, 468531, 520590, 624708, 669330, 759780, 780885, 803196, 937062, 1003995, 1041180, 1338660, 1405593, 1561770, 1874124, 2007990, 2342655, 2811186, 3123540, 4015980, 4685310, 5622372, 7027965, 9370620, 14055930, 28111860]

約数ペア:

[(1, 28111860), (2, 14055930), (3, 9370620), (4, 7027965), (5, 5622372), (6, 4685310), (7, 4015980), (9, 3123540), (10, 2811186), (12, 2342655), (14, 2007990), (15, 1874124), (18, 1561770), (20, 1405593), (21, 1338660), (27, 1041180), (28, 1003995), (30, 937062), (35, 803196), (36, 780885), (37, 759780), (42, 669330), (45, 624708), (54, 520590), (60, 468531), (63, 446220), (67, 419580), (70, 401598), (74, 379890), (81, 347060), (84, 334665), (90, 312354), (105, 267732), (108, 260295), (111, 253260), (126, 223110), (134, 209790), (135, 208236), (140, 200799), (148, 189945), (162, 173530), (180, 156177), (185, 151956), (189, 148740), (201, 139860), (210, 133866), (222, 126630), (252, 111555), (259, 108540), (268, 104895), (270, 104118), (315, 89244), (324, 86765), (333, 84420), (335, 83916), (370, 75978), (378, 74370), (402, 69930), (405, 69412), (420, 66933), (444, 63315), (469, 59940), (518, 54270), (540, 52059), (555, 50652), (567, 49580), (603, 46620), (630, 44622), (666, 42210), (670, 41958), (740, 37989), (756, 37185), (777, 36180), (804, 34965), (810, 34706), (938, 29970), (945, 29748), (999, 28140), (1005, 27972), (1036, 27135), (1110, 25326), (1134, 24790), (1206, 23310), (1260, 22311), (1295, 21708), (1332, 21105), (1340, 20979), (1407, 19980), (1554, 18090), (1620, 17353), (1665, 16884), (1809, 15540), (1876, 14985), (1890, 14874), (1998, 14070), (2010, 13986), (2220, 12663), (2268, 12395), (2331, 12060), (2345, 11988), (2412, 11655), (2479, 11340), (2590, 10854), (2814, 9990), (2835, 9916), (2997, 9380), (3015, 9324), (3108, 9045), (3330, 8442), (3618, 7770), (3780, 7437), (3885, 7236), (3996, 7035), (4020, 6993), (4221, 6660), (4662, 6030), (4690, 5994), (4958, 5670), (4995, 5628), (5180, 5427)]