81400680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 256

約数和(自身を含む): 295488000

約数和(自身を除く): 214087320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 29, 30, 36, 40, 45, 46, 54, 58, 60, 69, 72, 87, 90, 92, 108, 113, 115, 116, 120, 135, 138, 145, 174, 180, 184, 207, 216, 226, 230, 232, 261, 270, 276, 290, 339, 345, 348, 360, 414, 435, 452, 460, 522, 540, 552, 565, 580, 621, 667, 678, 690, 696, 783, 828, 870, 904, 920, 1017, 1035, 1044, 1080, 1130, 1160, 1242, 1305, 1334, 1356, 1380, 1566, 1656, 1695, 1740, 2001, 2034, 2070, 2088, 2260, 2484, 2599, 2610, 2668, 2712, 2760, 3051, 3105, 3132, 3277, 3335, 3390, 3480, 3915, 4002, 4068, 4140, 4520, 4968, 5085, 5198, 5220, 5336, 6003, 6102, 6210, 6264, 6554, 6670, 6780, 7797, 7830, 8004, 8136, 8280, 9831, 10005, 10170, 10396, 10440, 12006, 12204, 12420, 12995, 13108, 13340, 13560, 15255, 15594, 15660, 16008, 16385, 18009, 19662, 20010, 20340, 20792, 23391, 24012, 24408, 24840, 25990, 26216, 26680, 29493, 30015, 30510, 31188, 31320, 32770, 36018, 38985, 39324, 40020, 40680, 46782, 48024, 49155, 51980, 58986, 60030, 61020, 62376, 65540, 70173, 72036, 75371, 77970, 78648, 80040, 88479, 90045, 93564, 98310, 103960, 116955, 117972, 120060, 122040, 131080, 140346, 144072, 147465, 150742, 155940, 176958, 180090, 187128, 196620, 226113, 233910, 235944, 240120, 280692, 294930, 301484, 311880, 350865, 353916, 360180, 376855, 393240, 442395, 452226, 467820, 561384, 589860, 602968, 678339, 701730, 707832, 720360, 753710, 884790, 904452, 935640, 1130565, 1179720, 1356678, 1403460, 1507420, 1769580, 1808904, 2035017, 2261130, 2713356, 2806920, 3014840, 3391695, 3539160, 4070034, 4522260, 5426712, 6783390, 8140068, 9044520, 10175085, 13566780, 16280136, 20350170, 27133560, 40700340, 81400680]

約数ペア:

[(1, 81400680), (2, 40700340), (3, 27133560), (4, 20350170), (5, 16280136), (6, 13566780), (8, 10175085), (9, 9044520), (10, 8140068), (12, 6783390), (15, 5426712), (18, 4522260), (20, 4070034), (23, 3539160), (24, 3391695), (27, 3014840), (29, 2806920), (30, 2713356), (36, 2261130), (40, 2035017), (45, 1808904), (46, 1769580), (54, 1507420), (58, 1403460), (60, 1356678), (69, 1179720), (72, 1130565), (87, 935640), (90, 904452), (92, 884790), (108, 753710), (113, 720360), (115, 707832), (116, 701730), (120, 678339), (135, 602968), (138, 589860), (145, 561384), (174, 467820), (180, 452226), (184, 442395), (207, 393240), (216, 376855), (226, 360180), (230, 353916), (232, 350865), (261, 311880), (270, 301484), (276, 294930), (290, 280692), (339, 240120), (345, 235944), (348, 233910), (360, 226113), (414, 196620), (435, 187128), (452, 180090), (460, 176958), (522, 155940), (540, 150742), (552, 147465), (565, 144072), (580, 140346), (621, 131080), (667, 122040), (678, 120060), (690, 117972), (696, 116955), (783, 103960), (828, 98310), (870, 93564), (904, 90045), (920, 88479), (1017, 80040), (1035, 78648), (1044, 77970), (1080, 75371), (1130, 72036), (1160, 70173), (1242, 65540), (1305, 62376), (1334, 61020), (1356, 60030), (1380, 58986), (1566, 51980), (1656, 49155), (1695, 48024), (1740, 46782), (2001, 40680), (2034, 40020), (2070, 39324), (2088, 38985), (2260, 36018), (2484, 32770), (2599, 31320), (2610, 31188), (2668, 30510), (2712, 30015), (2760, 29493), (3051, 26680), (3105, 26216), (3132, 25990), (3277, 24840), (3335, 24408), (3390, 24012), (3480, 23391), (3915, 20792), (4002, 20340), (4068, 20010), (4140, 19662), (4520, 18009), (4968, 16385), (5085, 16008), (5198, 15660), (5220, 15594), (5336, 15255), (6003, 13560), (6102, 13340), (6210, 13108), (6264, 12995), (6554, 12420), (6670, 12204), (6780, 12006), (7797, 10440), (7830, 10396), (8004, 10170), (8136, 10005), (8280, 9831)]