28391580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 288

約数和(自身を含む): 109166400

約数和(自身を除く): 80774820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 37, 42, 45, 49, 54, 58, 60, 63, 70, 74, 84, 87, 90, 98, 105, 108, 111, 116, 126, 135, 140, 145, 147, 148, 174, 180, 185, 189, 196, 203, 210, 222, 245, 252, 259, 261, 270, 290, 294, 315, 333, 348, 370, 378, 406, 420, 435, 441, 444, 490, 518, 522, 540, 555, 580, 588, 609, 630, 666, 735, 740, 756, 777, 783, 812, 870, 882, 945, 980, 999, 1015, 1036, 1044, 1073, 1110, 1218, 1260, 1295, 1305, 1323, 1332, 1421, 1470, 1554, 1566, 1665, 1740, 1764, 1813, 1827, 1890, 1998, 2030, 2146, 2205, 2220, 2331, 2436, 2590, 2610, 2646, 2842, 2940, 3045, 3108, 3132, 3219, 3330, 3626, 3654, 3780, 3885, 3915, 3996, 4060, 4263, 4292, 4410, 4662, 4995, 5180, 5220, 5292, 5365, 5439, 5481, 5684, 6090, 6438, 6615, 6660, 6993, 7105, 7252, 7308, 7511, 7770, 7830, 8526, 8820, 9065, 9135, 9324, 9657, 9990, 10730, 10878, 10962, 11655, 12180, 12789, 12876, 13230, 13986, 14210, 15022, 15540, 15660, 16095, 16317, 17052, 18130, 18270, 19314, 19980, 21315, 21460, 21756, 21924, 22533, 23310, 25578, 26460, 27195, 27405, 27972, 28420, 28971, 30044, 32190, 32634, 34965, 36260, 36540, 37555, 38367, 38628, 42630, 45066, 46620, 48285, 48951, 51156, 52577, 54390, 54810, 57942, 63945, 64380, 65268, 67599, 69930, 75110, 76734, 81585, 85260, 90132, 96570, 97902, 105154, 108780, 109620, 112665, 115884, 127890, 135198, 139860, 144855, 150220, 153468, 157731, 163170, 191835, 193140, 195804, 202797, 210308, 225330, 244755, 255780, 262885, 270396, 289710, 315462, 326340, 337995, 383670, 405594, 450660, 473193, 489510, 525770, 579420, 630924, 675990, 767340, 788655, 811188, 946386, 979020, 1013985, 1051540, 1351980, 1419579, 1577310, 1892772, 2027970, 2365965, 2839158, 3154620, 4055940, 4731930, 5678316, 7097895, 9463860, 14195790, 28391580]

約数ペア:

[(1, 28391580), (2, 14195790), (3, 9463860), (4, 7097895), (5, 5678316), (6, 4731930), (7, 4055940), (9, 3154620), (10, 2839158), (12, 2365965), (14, 2027970), (15, 1892772), (18, 1577310), (20, 1419579), (21, 1351980), (27, 1051540), (28, 1013985), (29, 979020), (30, 946386), (35, 811188), (36, 788655), (37, 767340), (42, 675990), (45, 630924), (49, 579420), (54, 525770), (58, 489510), (60, 473193), (63, 450660), (70, 405594), (74, 383670), (84, 337995), (87, 326340), (90, 315462), (98, 289710), (105, 270396), (108, 262885), (111, 255780), (116, 244755), (126, 225330), (135, 210308), (140, 202797), (145, 195804), (147, 193140), (148, 191835), (174, 163170), (180, 157731), (185, 153468), (189, 150220), (196, 144855), (203, 139860), (210, 135198), (222, 127890), (245, 115884), (252, 112665), (259, 109620), (261, 108780), (270, 105154), (290, 97902), (294, 96570), (315, 90132), (333, 85260), (348, 81585), (370, 76734), (378, 75110), (406, 69930), (420, 67599), (435, 65268), (441, 64380), (444, 63945), (490, 57942), (518, 54810), (522, 54390), (540, 52577), (555, 51156), (580, 48951), (588, 48285), (609, 46620), (630, 45066), (666, 42630), (735, 38628), (740, 38367), (756, 37555), (777, 36540), (783, 36260), (812, 34965), (870, 32634), (882, 32190), (945, 30044), (980, 28971), (999, 28420), (1015, 27972), (1036, 27405), (1044, 27195), (1073, 26460), (1110, 25578), (1218, 23310), (1260, 22533), (1295, 21924), (1305, 21756), (1323, 21460), (1332, 21315), (1421, 19980), (1470, 19314), (1554, 18270), (1566, 18130), (1665, 17052), (1740, 16317), (1764, 16095), (1813, 15660), (1827, 15540), (1890, 15022), (1998, 14210), (2030, 13986), (2146, 13230), (2205, 12876), (2220, 12789), (2331, 12180), (2436, 11655), (2590, 10962), (2610, 10878), (2646, 10730), (2842, 9990), (2940, 9657), (3045, 9324), (3108, 9135), (3132, 9065), (3219, 8820), (3330, 8526), (3626, 7830), (3654, 7770), (3780, 7511), (3885, 7308), (3915, 7252), (3996, 7105), (4060, 6993), (4263, 6660), (4292, 6615), (4410, 6438), (4662, 6090), (4995, 5684), (5180, 5481), (5220, 5439), (5292, 5365)]