164621520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:482

約数の個数: 240

約数和(自身を含む): 640673280

約数和(自身を除く): 476051760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 89, 90, 105, 112, 120, 126, 140, 144, 168, 178, 180, 210, 240, 252, 267, 280, 315, 336, 356, 360, 367, 420, 445, 504, 534, 560, 623, 630, 712, 720, 734, 801, 840, 890, 1008, 1068, 1101, 1246, 1260, 1335, 1424, 1468, 1602, 1680, 1780, 1835, 1869, 2136, 2202, 2492, 2520, 2569, 2670, 2936, 3115, 3204, 3303, 3560, 3670, 3738, 4005, 4272, 4404, 4984, 5040, 5138, 5340, 5505, 5607, 5872, 6230, 6408, 6606, 7120, 7340, 7476, 7707, 8010, 8808, 9345, 9968, 10276, 10680, 11010, 11214, 12460, 12816, 12845, 13212, 14680, 14952, 15414, 16020, 16515, 17616, 18690, 20552, 21360, 22020, 22428, 23121, 24920, 25690, 26424, 28035, 29360, 29904, 30828, 32040, 32663, 33030, 37380, 38535, 41104, 44040, 44856, 46242, 49840, 51380, 52848, 56070, 61656, 64080, 65326, 66060, 74760, 77070, 88080, 89712, 92484, 97989, 102760, 112140, 115605, 123312, 130652, 132120, 149520, 154140, 163315, 184968, 195978, 205520, 224280, 228641, 231210, 261304, 264240, 293967, 308280, 326630, 369936, 391956, 448560, 457282, 462420, 489945, 522608, 587934, 616560, 653260, 685923, 783912, 914564, 924840, 979890, 1143205, 1175868, 1306520, 1371846, 1469835, 1567824, 1829128, 1849680, 1959780, 2057769, 2286410, 2351736, 2613040, 2743692, 2939670, 3429615, 3658256, 3919560, 4115538, 4572820, 4703472, 5487384, 5879340, 6859230, 7839120, 8231076, 9145640, 10288845, 10974768, 11758680, 13718460, 16462152, 18291280, 20577690, 23517360, 27436920, 32924304, 41155380, 54873840, 82310760, 164621520]

約数ペア:

[(1, 164621520), (2, 82310760), (3, 54873840), (4, 41155380), (5, 32924304), (6, 27436920), (7, 23517360), (8, 20577690), (9, 18291280), (10, 16462152), (12, 13718460), (14, 11758680), (15, 10974768), (16, 10288845), (18, 9145640), (20, 8231076), (21, 7839120), (24, 6859230), (28, 5879340), (30, 5487384), (35, 4703472), (36, 4572820), (40, 4115538), (42, 3919560), (45, 3658256), (48, 3429615), (56, 2939670), (60, 2743692), (63, 2613040), (70, 2351736), (72, 2286410), (80, 2057769), (84, 1959780), (89, 1849680), (90, 1829128), (105, 1567824), (112, 1469835), (120, 1371846), (126, 1306520), (140, 1175868), (144, 1143205), (168, 979890), (178, 924840), (180, 914564), (210, 783912), (240, 685923), (252, 653260), (267, 616560), (280, 587934), (315, 522608), (336, 489945), (356, 462420), (360, 457282), (367, 448560), (420, 391956), (445, 369936), (504, 326630), (534, 308280), (560, 293967), (623, 264240), (630, 261304), (712, 231210), (720, 228641), (734, 224280), (801, 205520), (840, 195978), (890, 184968), (1008, 163315), (1068, 154140), (1101, 149520), (1246, 132120), (1260, 130652), (1335, 123312), (1424, 115605), (1468, 112140), (1602, 102760), (1680, 97989), (1780, 92484), (1835, 89712), (1869, 88080), (2136, 77070), (2202, 74760), (2492, 66060), (2520, 65326), (2569, 64080), (2670, 61656), (2936, 56070), (3115, 52848), (3204, 51380), (3303, 49840), (3560, 46242), (3670, 44856), (3738, 44040), (4005, 41104), (4272, 38535), (4404, 37380), (4984, 33030), (5040, 32663), (5138, 32040), (5340, 30828), (5505, 29904), (5607, 29360), (5872, 28035), (6230, 26424), (6408, 25690), (6606, 24920), (7120, 23121), (7340, 22428), (7476, 22020), (7707, 21360), (8010, 20552), (8808, 18690), (9345, 17616), (9968, 16515), (10276, 16020), (10680, 15414), (11010, 14952), (11214, 14680), (12460, 13212), (12816, 12845)]