647668320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{383}}^1$

素因数の和:685

約数の個数: 192

約数和(自身を含む): 2210955264

約数和(自身を除く): 1563286944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 271, 312, 383, 390, 416, 480, 520, 542, 624, 766, 780, 813, 1040, 1084, 1149, 1248, 1355, 1532, 1560, 1626, 1915, 2080, 2168, 2298, 2710, 3064, 3120, 3252, 3523, 3830, 4065, 4336, 4596, 4979, 5420, 5745, 6128, 6240, 6504, 7046, 7660, 8130, 8672, 9192, 9958, 10569, 10840, 11490, 12256, 13008, 14092, 14937, 15320, 16260, 17615, 18384, 19916, 21138, 21680, 22980, 24895, 26016, 28184, 29874, 30640, 32520, 35230, 36768, 39832, 42276, 43360, 45960, 49790, 52845, 56368, 59748, 61280, 65040, 70460, 74685, 79664, 84552, 91920, 99580, 103793, 105690, 112736, 119496, 130080, 140920, 149370, 159328, 169104, 183840, 199160, 207586, 211380, 238992, 281840, 298740, 311379, 338208, 398320, 415172, 422760, 477984, 518965, 563680, 597480, 622758, 796640, 830344, 845520, 1037930, 1194960, 1245516, 1349309, 1556895, 1660688, 1691040, 2075860, 2389920, 2491032, 2698618, 3113790, 3321376, 4047927, 4151720, 4982064, 5397236, 6227580, 6746545, 8095854, 8303440, 9964128, 10794472, 12455160, 13493090, 16191708, 16606880, 20239635, 21588944, 24910320, 26986180, 32383416, 40479270, 43177888, 49820640, 53972360, 64766832, 80958540, 107944720, 129533664, 161917080, 215889440, 323834160, 647668320]

約数ペア:

[(1, 647668320), (2, 323834160), (3, 215889440), (4, 161917080), (5, 129533664), (6, 107944720), (8, 80958540), (10, 64766832), (12, 53972360), (13, 49820640), (15, 43177888), (16, 40479270), (20, 32383416), (24, 26986180), (26, 24910320), (30, 21588944), (32, 20239635), (39, 16606880), (40, 16191708), (48, 13493090), (52, 12455160), (60, 10794472), (65, 9964128), (78, 8303440), (80, 8095854), (96, 6746545), (104, 6227580), (120, 5397236), (130, 4982064), (156, 4151720), (160, 4047927), (195, 3321376), (208, 3113790), (240, 2698618), (260, 2491032), (271, 2389920), (312, 2075860), (383, 1691040), (390, 1660688), (416, 1556895), (480, 1349309), (520, 1245516), (542, 1194960), (624, 1037930), (766, 845520), (780, 830344), (813, 796640), (1040, 622758), (1084, 597480), (1149, 563680), (1248, 518965), (1355, 477984), (1532, 422760), (1560, 415172), (1626, 398320), (1915, 338208), (2080, 311379), (2168, 298740), (2298, 281840), (2710, 238992), (3064, 211380), (3120, 207586), (3252, 199160), (3523, 183840), (3830, 169104), (4065, 159328), (4336, 149370), (4596, 140920), (4979, 130080), (5420, 119496), (5745, 112736), (6128, 105690), (6240, 103793), (6504, 99580), (7046, 91920), (7660, 84552), (8130, 79664), (8672, 74685), (9192, 70460), (9958, 65040), (10569, 61280), (10840, 59748), (11490, 56368), (12256, 52845), (13008, 49790), (14092, 45960), (14937, 43360), (15320, 42276), (16260, 39832), (17615, 36768), (18384, 35230), (19916, 32520), (21138, 30640), (21680, 29874), (22980, 28184), (24895, 26016)]