28847221120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^3\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 256

約数和(自身を含む): 76301222400

約数和(自身を除く): 47454001280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 89, 124, 128, 136, 155, 160, 170, 178, 248, 272, 310, 320, 340, 356, 445, 496, 527, 544, 620, 640, 680, 712, 890, 961, 992, 1054, 1088, 1240, 1360, 1424, 1513, 1780, 1922, 1984, 2108, 2176, 2480, 2635, 2720, 2759, 2848, 3026, 3560, 3844, 3968, 4216, 4805, 4960, 5270, 5440, 5518, 5696, 6052, 7120, 7565, 7688, 8432, 9610, 9920, 10540, 10880, 11036, 11392, 12104, 13795, 14240, 15130, 15376, 16337, 16864, 19220, 19840, 21080, 22072, 24208, 27590, 28480, 29791, 30260, 30752, 32674, 33728, 38440, 42160, 44144, 46903, 48416, 55180, 56960, 59582, 60520, 61504, 65348, 67456, 76880, 81685, 84320, 85529, 88288, 93806, 96832, 110360, 119164, 121040, 123008, 130696, 148955, 153760, 163370, 168640, 171058, 176576, 187612, 193664, 220720, 234515, 238328, 242080, 261392, 297910, 307520, 326740, 337280, 342116, 353152, 375224, 427645, 441440, 469030, 476656, 484160, 506447, 522784, 595820, 615040, 653480, 684232, 750448, 855290, 882880, 938060, 953312, 968320, 1012894, 1045568, 1191640, 1306960, 1368464, 1453993, 1500896, 1710580, 1765760, 1876120, 1906624, 2025788, 2091136, 2383280, 2532235, 2613920, 2651399, 2736928, 2907986, 3001792, 3421160, 3752240, 3813248, 4051576, 4766560, 5064470, 5227840, 5302798, 5473856, 5815972, 6003584, 6842320, 7269965, 7504480, 8103152, 9533120, 10128940, 10455680, 10605596, 10947712, 11631944, 13256995, 13684640, 14539930, 15008960, 16206304, 19066240, 20257880, 21211192, 23263888, 26513990, 27369280, 29079860, 30017920, 32412608, 40515760, 42422384, 45073783, 46527776, 53027980, 54738560, 58159720, 64825216, 81031520, 84844768, 90147566, 93055552, 106055960, 116319440, 162063040, 169689536, 180295132, 186111104, 212111920, 225368915, 232638880, 324126080, 339379072, 360590264, 424223840, 450737830, 465277760, 721180528, 848447680, 901475660, 930555520, 1442361056, 1696895360, 1802951320, 2884722112, 3605902640, 5769444224, 7211805280, 14423610560, 28847221120]

約数ペア:

[(1, 28847221120), (2, 14423610560), (4, 7211805280), (5, 5769444224), (8, 3605902640), (10, 2884722112), (16, 1802951320), (17, 1696895360), (20, 1442361056), (31, 930555520), (32, 901475660), (34, 848447680), (40, 721180528), (62, 465277760), (64, 450737830), (68, 424223840), (80, 360590264), (85, 339379072), (89, 324126080), (124, 232638880), (128, 225368915), (136, 212111920), (155, 186111104), (160, 180295132), (170, 169689536), (178, 162063040), (248, 116319440), (272, 106055960), (310, 93055552), (320, 90147566), (340, 84844768), (356, 81031520), (445, 64825216), (496, 58159720), (527, 54738560), (544, 53027980), (620, 46527776), (640, 45073783), (680, 42422384), (712, 40515760), (890, 32412608), (961, 30017920), (992, 29079860), (1054, 27369280), (1088, 26513990), (1240, 23263888), (1360, 21211192), (1424, 20257880), (1513, 19066240), (1780, 16206304), (1922, 15008960), (1984, 14539930), (2108, 13684640), (2176, 13256995), (2480, 11631944), (2635, 10947712), (2720, 10605596), (2759, 10455680), (2848, 10128940), (3026, 9533120), (3560, 8103152), (3844, 7504480), (3968, 7269965), (4216, 6842320), (4805, 6003584), (4960, 5815972), (5270, 5473856), (5440, 5302798), (5518, 5227840), (5696, 5064470), (6052, 4766560), (7120, 4051576), (7565, 3813248), (7688, 3752240), (8432, 3421160), (9610, 3001792), (9920, 2907986), (10540, 2736928), (10880, 2651399), (11036, 2613920), (11392, 2532235), (12104, 2383280), (13795, 2091136), (14240, 2025788), (15130, 1906624), (15376, 1876120), (16337, 1765760), (16864, 1710580), (19220, 1500896), (19840, 1453993), (21080, 1368464), (22072, 1306960), (24208, 1191640), (27590, 1045568), (28480, 1012894), (29791, 968320), (30260, 953312), (30752, 938060), (32674, 882880), (33728, 855290), (38440, 750448), (42160, 684232), (44144, 653480), (46903, 615040), (48416, 595820), (55180, 522784), (56960, 506447), (59582, 484160), (60520, 476656), (61504, 469030), (65348, 441440), (67456, 427645), (76880, 375224), (81685, 353152), (84320, 342116), (85529, 337280), (88288, 326740), (93806, 307520), (96832, 297910), (110360, 261392), (119164, 242080), (121040, 238328), (123008, 234515), (130696, 220720), (148955, 193664), (153760, 187612), (163370, 176576), (168640, 171058)]