128538720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3925

約数の個数: 144

約数和(自身を含む): 457827552

約数和(自身を除く): 329288832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 2070, 2208, 2760, 3312, 3680, 3881, 4140, 5520, 6624, 7762, 8280, 11040, 11643, 15524, 16560, 19405, 23286, 31048, 33120, 34929, 38810, 46572, 58215, 62096, 69858, 77620, 89263, 93144, 116430, 124192, 139716, 155240, 174645, 178526, 186288, 232860, 267789, 279432, 310480, 349290, 357052, 372576, 446315, 465720, 535578, 558864, 620960, 698580, 714104, 803367, 892630, 931440, 1071156, 1117728, 1338945, 1397160, 1428208, 1606734, 1785260, 1862880, 2142312, 2677890, 2794320, 2856416, 3213468, 3570520, 4016835, 4284624, 5355780, 5588640, 6426936, 7141040, 8033670, 8569248, 10711560, 12853872, 14282080, 16067340, 21423120, 25707744, 32134680, 42846240, 64269360, 128538720]

約数ペア:

[(1, 128538720), (2, 64269360), (3, 42846240), (4, 32134680), (5, 25707744), (6, 21423120), (8, 16067340), (9, 14282080), (10, 12853872), (12, 10711560), (15, 8569248), (16, 8033670), (18, 7141040), (20, 6426936), (23, 5588640), (24, 5355780), (30, 4284624), (32, 4016835), (36, 3570520), (40, 3213468), (45, 2856416), (46, 2794320), (48, 2677890), (60, 2142312), (69, 1862880), (72, 1785260), (80, 1606734), (90, 1428208), (92, 1397160), (96, 1338945), (115, 1117728), (120, 1071156), (138, 931440), (144, 892630), (160, 803367), (180, 714104), (184, 698580), (207, 620960), (230, 558864), (240, 535578), (276, 465720), (288, 446315), (345, 372576), (360, 357052), (368, 349290), (414, 310480), (460, 279432), (480, 267789), (552, 232860), (690, 186288), (720, 178526), (736, 174645), (828, 155240), (920, 139716), (1035, 124192), (1104, 116430), (1380, 93144), (1440, 89263), (1656, 77620), (1840, 69858), (2070, 62096), (2208, 58215), (2760, 46572), (3312, 38810), (3680, 34929), (3881, 33120), (4140, 31048), (5520, 23286), (6624, 19405), (7762, 16560), (8280, 15524), (11040, 11643)]