80691520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 224

約数和(自身を含む): 251935488

約数和(自身を除く): 171243968

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 64, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 160, 163, 170, 182, 208, 221, 224, 238, 260, 272, 280, 320, 326, 340, 364, 416, 442, 448, 455, 476, 520, 544, 560, 595, 652, 680, 728, 815, 832, 884, 910, 952, 1040, 1088, 1105, 1120, 1141, 1190, 1304, 1360, 1456, 1547, 1630, 1768, 1820, 1904, 2080, 2119, 2210, 2240, 2282, 2380, 2608, 2720, 2771, 2912, 3094, 3260, 3536, 3640, 3808, 4160, 4238, 4420, 4564, 4760, 5216, 5440, 5542, 5705, 5824, 6188, 6520, 7072, 7280, 7616, 7735, 8476, 8840, 9128, 9520, 10432, 10595, 11084, 11410, 12376, 13040, 13855, 14144, 14560, 14833, 15470, 16952, 17680, 18256, 19040, 19397, 21190, 22168, 22820, 24752, 26080, 27710, 29120, 29666, 30940, 33904, 35360, 36023, 36512, 38080, 38794, 42380, 44336, 45640, 49504, 52160, 55420, 59332, 61880, 67808, 70720, 72046, 73024, 74165, 77588, 84760, 88672, 91280, 96985, 99008, 110840, 118664, 123760, 135616, 144092, 148330, 155176, 169520, 177344, 180115, 182560, 193970, 221680, 237328, 247520, 252161, 288184, 296660, 310352, 339040, 360230, 365120, 387940, 443360, 474656, 495040, 504322, 576368, 593320, 620704, 678080, 720460, 775880, 886720, 949312, 1008644, 1152736, 1186640, 1241408, 1260805, 1440920, 1551760, 2017288, 2305472, 2373280, 2521610, 2881840, 3103520, 4034576, 4746560, 5043220, 5763680, 6207040, 8069152, 10086440, 11527360, 16138304, 20172880, 40345760, 80691520]

約数ペア:

[(1, 80691520), (2, 40345760), (4, 20172880), (5, 16138304), (7, 11527360), (8, 10086440), (10, 8069152), (13, 6207040), (14, 5763680), (16, 5043220), (17, 4746560), (20, 4034576), (26, 3103520), (28, 2881840), (32, 2521610), (34, 2373280), (35, 2305472), (40, 2017288), (52, 1551760), (56, 1440920), (64, 1260805), (65, 1241408), (68, 1186640), (70, 1152736), (80, 1008644), (85, 949312), (91, 886720), (104, 775880), (112, 720460), (119, 678080), (130, 620704), (136, 593320), (140, 576368), (160, 504322), (163, 495040), (170, 474656), (182, 443360), (208, 387940), (221, 365120), (224, 360230), (238, 339040), (260, 310352), (272, 296660), (280, 288184), (320, 252161), (326, 247520), (340, 237328), (364, 221680), (416, 193970), (442, 182560), (448, 180115), (455, 177344), (476, 169520), (520, 155176), (544, 148330), (560, 144092), (595, 135616), (652, 123760), (680, 118664), (728, 110840), (815, 99008), (832, 96985), (884, 91280), (910, 88672), (952, 84760), (1040, 77588), (1088, 74165), (1105, 73024), (1120, 72046), (1141, 70720), (1190, 67808), (1304, 61880), (1360, 59332), (1456, 55420), (1547, 52160), (1630, 49504), (1768, 45640), (1820, 44336), (1904, 42380), (2080, 38794), (2119, 38080), (2210, 36512), (2240, 36023), (2282, 35360), (2380, 33904), (2608, 30940), (2720, 29666), (2771, 29120), (2912, 27710), (3094, 26080), (3260, 24752), (3536, 22820), (3640, 22168), (3808, 21190), (4160, 19397), (4238, 19040), (4420, 18256), (4564, 17680), (4760, 16952), (5216, 15470), (5440, 14833), (5542, 14560), (5705, 14144), (5824, 13855), (6188, 13040), (6520, 12376), (7072, 11410), (7280, 11084), (7616, 10595), (7735, 10432), (8476, 9520), (8840, 9128)]