128789280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5261}}^1$

素因数の和:5299

約数の個数: 144

約数和(自身を含む): 465434424

約数和(自身を除く): 336645144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 4080, 4896, 5261, 6120, 8160, 10522, 12240, 15783, 21044, 24480, 26305, 31566, 42088, 47349, 52610, 63132, 78915, 84176, 89437, 94698, 105220, 126264, 157830, 168352, 178874, 189396, 210440, 236745, 252528, 268311, 315660, 357748, 378792, 420880, 447185, 473490, 505056, 536622, 631320, 715496, 757584, 804933, 841760, 894370, 946980, 1073244, 1262640, 1341555, 1430992, 1515168, 1609866, 1788740, 1893960, 2146488, 2525280, 2683110, 2861984, 3219732, 3577480, 3787920, 4024665, 4292976, 5366220, 6439464, 7154960, 7575840, 8049330, 8585952, 10732440, 12878928, 14309920, 16098660, 21464880, 25757856, 32197320, 42929760, 64394640, 128789280]

約数ペア:

[(1, 128789280), (2, 64394640), (3, 42929760), (4, 32197320), (5, 25757856), (6, 21464880), (8, 16098660), (9, 14309920), (10, 12878928), (12, 10732440), (15, 8585952), (16, 8049330), (17, 7575840), (18, 7154960), (20, 6439464), (24, 5366220), (30, 4292976), (32, 4024665), (34, 3787920), (36, 3577480), (40, 3219732), (45, 2861984), (48, 2683110), (51, 2525280), (60, 2146488), (68, 1893960), (72, 1788740), (80, 1609866), (85, 1515168), (90, 1430992), (96, 1341555), (102, 1262640), (120, 1073244), (136, 946980), (144, 894370), (153, 841760), (160, 804933), (170, 757584), (180, 715496), (204, 631320), (240, 536622), (255, 505056), (272, 473490), (288, 447185), (306, 420880), (340, 378792), (360, 357748), (408, 315660), (480, 268311), (510, 252528), (544, 236745), (612, 210440), (680, 189396), (720, 178874), (765, 168352), (816, 157830), (1020, 126264), (1224, 105220), (1360, 94698), (1440, 89437), (1530, 84176), (1632, 78915), (2040, 63132), (2448, 52610), (2720, 47349), (3060, 42088), (4080, 31566), (4896, 26305), (5261, 24480), (6120, 21044), (8160, 15783), (10522, 12240)]