128021400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5506

約数の個数: 144

約数和(自身を含む): 463095360

約数和(自身を除く): 335073960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1300, 1560, 1800, 1950, 2340, 2600, 2925, 3900, 4680, 5471, 5850, 7800, 10942, 11700, 16413, 21884, 23400, 27355, 32826, 43768, 49239, 54710, 65652, 71123, 82065, 98478, 109420, 131304, 136775, 142246, 164130, 196956, 213369, 218840, 246195, 273550, 284492, 328260, 355615, 393912, 410325, 426738, 492390, 547100, 568984, 640107, 656520, 711230, 820650, 853476, 984780, 1066845, 1094200, 1230975, 1280214, 1422460, 1641300, 1706952, 1778075, 1969560, 2133690, 2461950, 2560428, 2844920, 3200535, 3282600, 3556150, 4267380, 4923900, 5120856, 5334225, 6401070, 7112300, 8534760, 9847800, 10668450, 12802140, 14224600, 16002675, 21336900, 25604280, 32005350, 42673800, 64010700, 128021400]

約数ペア:

[(1, 128021400), (2, 64010700), (3, 42673800), (4, 32005350), (5, 25604280), (6, 21336900), (8, 16002675), (9, 14224600), (10, 12802140), (12, 10668450), (13, 9847800), (15, 8534760), (18, 7112300), (20, 6401070), (24, 5334225), (25, 5120856), (26, 4923900), (30, 4267380), (36, 3556150), (39, 3282600), (40, 3200535), (45, 2844920), (50, 2560428), (52, 2461950), (60, 2133690), (65, 1969560), (72, 1778075), (75, 1706952), (78, 1641300), (90, 1422460), (100, 1280214), (104, 1230975), (117, 1094200), (120, 1066845), (130, 984780), (150, 853476), (156, 820650), (180, 711230), (195, 656520), (200, 640107), (225, 568984), (234, 547100), (260, 492390), (300, 426738), (312, 410325), (325, 393912), (360, 355615), (390, 328260), (450, 284492), (468, 273550), (520, 246195), (585, 218840), (600, 213369), (650, 196956), (780, 164130), (900, 142246), (936, 136775), (975, 131304), (1170, 109420), (1300, 98478), (1560, 82065), (1800, 71123), (1950, 65652), (2340, 54710), (2600, 49239), (2925, 43768), (3900, 32826), (4680, 27355), (5471, 23400), (5850, 21884), (7800, 16413), (10942, 11700)]