320280480

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1941

約数の個数: 240

約数和(自身を含む): 1217911464

約数和(自身を除く): 897630984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1755, 1872, 1901, 2080, 2106, 2160, 2340, 2592, 2808, 3120, 3240, 3510, 3744, 3802, 4212, 4320, 4680, 5265, 5616, 5703, 6240, 6480, 7020, 7604, 8424, 9360, 9505, 10530, 11232, 11406, 12960, 14040, 15208, 16848, 17109, 18720, 19010, 21060, 22812, 24713, 28080, 28515, 30416, 33696, 34218, 38020, 42120, 45624, 49426, 51327, 56160, 57030, 60832, 68436, 74139, 76040, 84240, 85545, 91248, 98852, 102654, 114060, 123565, 136872, 148278, 152080, 153981, 168480, 171090, 182496, 197704, 205308, 222417, 228120, 247130, 256635, 273744, 296556, 304160, 307962, 342180, 370695, 395408, 410616, 444834, 456240, 494260, 513270, 547488, 593112, 615924, 667251, 684360, 741390, 769905, 790816, 821232, 889668, 912480, 988520, 1026540, 1112085, 1186224, 1231848, 1334502, 1368720, 1482780, 1539810, 1642464, 1779336, 1977040, 2001753, 2053080, 2224170, 2372448, 2463696, 2669004, 2737440, 2965560, 3079620, 3336255, 3558672, 3954080, 4003506, 4106160, 4448340, 4927392, 5338008, 5931120, 6159240, 6672510, 7117344, 8007012, 8212320, 8896680, 10008765, 10676016, 11862240, 12318480, 13345020, 16014024, 17793360, 20017530, 21352032, 24636960, 26690040, 32028048, 35586720, 40035060, 53380080, 64056096, 80070120, 106760160, 160140240, 320280480]

約数ペア:

[(1, 320280480), (2, 160140240), (3, 106760160), (4, 80070120), (5, 64056096), (6, 53380080), (8, 40035060), (9, 35586720), (10, 32028048), (12, 26690040), (13, 24636960), (15, 21352032), (16, 20017530), (18, 17793360), (20, 16014024), (24, 13345020), (26, 12318480), (27, 11862240), (30, 10676016), (32, 10008765), (36, 8896680), (39, 8212320), (40, 8007012), (45, 7117344), (48, 6672510), (52, 6159240), (54, 5931120), (60, 5338008), (65, 4927392), (72, 4448340), (78, 4106160), (80, 4003506), (81, 3954080), (90, 3558672), (96, 3336255), (104, 3079620), (108, 2965560), (117, 2737440), (120, 2669004), (130, 2463696), (135, 2372448), (144, 2224170), (156, 2053080), (160, 2001753), (162, 1977040), (180, 1779336), (195, 1642464), (208, 1539810), (216, 1482780), (234, 1368720), (240, 1334502), (260, 1231848), (270, 1186224), (288, 1112085), (312, 1026540), (324, 988520), (351, 912480), (360, 889668), (390, 821232), (405, 790816), (416, 769905), (432, 741390), (468, 684360), (480, 667251), (520, 615924), (540, 593112), (585, 547488), (624, 513270), (648, 494260), (702, 456240), (720, 444834), (780, 410616), (810, 395408), (864, 370695), (936, 342180), (1040, 307962), (1053, 304160), (1080, 296556), (1170, 273744), (1248, 256635), (1296, 247130), (1404, 228120), (1440, 222417), (1560, 205308), (1620, 197704), (1755, 182496), (1872, 171090), (1901, 168480), (2080, 153981), (2106, 152080), (2160, 148278), (2340, 136872), (2592, 123565), (2808, 114060), (3120, 102654), (3240, 98852), (3510, 91248), (3744, 85545), (3802, 84240), (4212, 76040), (4320, 74139), (4680, 68436), (5265, 60832), (5616, 57030), (5703, 56160), (6240, 51327), (6480, 49426), (7020, 45624), (7604, 42120), (8424, 38020), (9360, 34218), (9505, 33696), (10530, 30416), (11232, 28515), (11406, 28080), (12960, 24713), (14040, 22812), (15208, 21060), (16848, 19010), (17109, 18720)]