81134880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 192

約数和(自身を含む): 276732288

約数和(自身を除く): 195597408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 61, 68, 80, 85, 96, 102, 120, 122, 136, 160, 163, 170, 183, 204, 240, 244, 255, 272, 305, 326, 340, 366, 408, 480, 488, 489, 510, 544, 610, 652, 680, 732, 815, 816, 915, 976, 978, 1020, 1037, 1220, 1304, 1360, 1464, 1630, 1632, 1830, 1952, 1956, 2040, 2074, 2440, 2445, 2608, 2720, 2771, 2928, 3111, 3260, 3660, 3912, 4080, 4148, 4880, 4890, 5185, 5216, 5542, 5856, 6222, 6520, 7320, 7824, 8160, 8296, 8313, 9760, 9780, 9943, 10370, 11084, 12444, 13040, 13855, 14640, 15555, 15648, 16592, 16626, 19560, 19886, 20740, 22168, 24888, 26080, 27710, 29280, 29829, 31110, 33184, 33252, 39120, 39772, 41480, 41565, 44336, 49715, 49776, 55420, 59658, 62220, 66504, 78240, 79544, 82960, 83130, 88672, 99430, 99552, 110840, 119316, 124440, 133008, 149145, 159088, 165920, 166260, 169031, 198860, 221680, 238632, 248880, 266016, 298290, 318176, 332520, 338062, 397720, 443360, 477264, 497760, 507093, 596580, 665040, 676124, 795440, 845155, 954528, 1014186, 1193160, 1330080, 1352248, 1590880, 1690310, 2028372, 2386320, 2535465, 2704496, 3380620, 4056744, 4772640, 5070930, 5408992, 6761240, 8113488, 10141860, 13522480, 16226976, 20283720, 27044960, 40567440, 81134880]

約数ペア:

[(1, 81134880), (2, 40567440), (3, 27044960), (4, 20283720), (5, 16226976), (6, 13522480), (8, 10141860), (10, 8113488), (12, 6761240), (15, 5408992), (16, 5070930), (17, 4772640), (20, 4056744), (24, 3380620), (30, 2704496), (32, 2535465), (34, 2386320), (40, 2028372), (48, 1690310), (51, 1590880), (60, 1352248), (61, 1330080), (68, 1193160), (80, 1014186), (85, 954528), (96, 845155), (102, 795440), (120, 676124), (122, 665040), (136, 596580), (160, 507093), (163, 497760), (170, 477264), (183, 443360), (204, 397720), (240, 338062), (244, 332520), (255, 318176), (272, 298290), (305, 266016), (326, 248880), (340, 238632), (366, 221680), (408, 198860), (480, 169031), (488, 166260), (489, 165920), (510, 159088), (544, 149145), (610, 133008), (652, 124440), (680, 119316), (732, 110840), (815, 99552), (816, 99430), (915, 88672), (976, 83130), (978, 82960), (1020, 79544), (1037, 78240), (1220, 66504), (1304, 62220), (1360, 59658), (1464, 55420), (1630, 49776), (1632, 49715), (1830, 44336), (1952, 41565), (1956, 41480), (2040, 39772), (2074, 39120), (2440, 33252), (2445, 33184), (2608, 31110), (2720, 29829), (2771, 29280), (2928, 27710), (3111, 26080), (3260, 24888), (3660, 22168), (3912, 20740), (4080, 19886), (4148, 19560), (4880, 16626), (4890, 16592), (5185, 15648), (5216, 15555), (5542, 14640), (5856, 13855), (6222, 13040), (6520, 12444), (7320, 11084), (7824, 10370), (8160, 9943), (8296, 9780), (8313, 9760)]