646329840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10903}}^1$

素因数の和:10951

約数の個数: 160

約数和(自身を含む): 2271521280

約数和(自身を除く): 1625191440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3705, 3952, 4560, 4940, 5928, 7410, 9880, 10903, 11856, 14820, 19760, 21806, 29640, 32709, 43612, 54515, 59280, 65418, 87224, 109030, 130836, 141739, 163545, 174448, 207157, 218060, 261672, 283478, 327090, 414314, 425217, 436120, 523344, 566956, 621471, 654180, 708695, 828628, 850434, 872240, 1035785, 1133912, 1242942, 1308360, 1417390, 1657256, 1700868, 2071570, 2126085, 2267824, 2485884, 2616720, 2693041, 2834780, 3107355, 3314512, 3401736, 4143140, 4252170, 4971768, 5386082, 5669560, 6214710, 6803472, 8079123, 8286280, 8504340, 9943536, 10772164, 11339120, 12429420, 13465205, 16158246, 16572560, 17008680, 21544328, 24858840, 26930410, 32316492, 34017360, 40395615, 43088656, 49717680, 53860820, 64632984, 80791230, 107721640, 129265968, 161582460, 215443280, 323164920, 646329840]

約数ペア:

[(1, 646329840), (2, 323164920), (3, 215443280), (4, 161582460), (5, 129265968), (6, 107721640), (8, 80791230), (10, 64632984), (12, 53860820), (13, 49717680), (15, 43088656), (16, 40395615), (19, 34017360), (20, 32316492), (24, 26930410), (26, 24858840), (30, 21544328), (38, 17008680), (39, 16572560), (40, 16158246), (48, 13465205), (52, 12429420), (57, 11339120), (60, 10772164), (65, 9943536), (76, 8504340), (78, 8286280), (80, 8079123), (95, 6803472), (104, 6214710), (114, 5669560), (120, 5386082), (130, 4971768), (152, 4252170), (156, 4143140), (190, 3401736), (195, 3314512), (208, 3107355), (228, 2834780), (240, 2693041), (247, 2616720), (260, 2485884), (285, 2267824), (304, 2126085), (312, 2071570), (380, 1700868), (390, 1657256), (456, 1417390), (494, 1308360), (520, 1242942), (570, 1133912), (624, 1035785), (741, 872240), (760, 850434), (780, 828628), (912, 708695), (988, 654180), (1040, 621471), (1140, 566956), (1235, 523344), (1482, 436120), (1520, 425217), (1560, 414314), (1976, 327090), (2280, 283478), (2470, 261672), (2964, 218060), (3120, 207157), (3705, 174448), (3952, 163545), (4560, 141739), (4940, 130836), (5928, 109030), (7410, 87224), (9880, 65418), (10903, 59280), (11856, 54515), (14820, 43612), (19760, 32709), (21806, 29640)]