197904720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:629

約数の個数: 160

約数和(自身を含む): 666957312

約数和(自身を除く): 469052592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 137, 156, 195, 208, 240, 260, 274, 312, 390, 411, 463, 520, 548, 624, 685, 780, 822, 926, 1040, 1096, 1370, 1389, 1560, 1644, 1781, 1852, 2055, 2192, 2315, 2740, 2778, 3120, 3288, 3562, 3704, 4110, 4630, 5343, 5480, 5556, 6019, 6576, 6945, 7124, 7408, 8220, 8905, 9260, 10686, 10960, 11112, 12038, 13890, 14248, 16440, 17810, 18057, 18520, 21372, 22224, 24076, 26715, 27780, 28496, 30095, 32880, 35620, 36114, 37040, 42744, 48152, 53430, 55560, 60190, 63431, 71240, 72228, 85488, 90285, 96304, 106860, 111120, 120380, 126862, 142480, 144456, 180570, 190293, 213720, 240760, 253724, 288912, 317155, 361140, 380586, 427440, 481520, 507448, 634310, 722280, 761172, 824603, 951465, 1014896, 1268620, 1444560, 1522344, 1649206, 1902930, 2473809, 2537240, 3044688, 3298412, 3805860, 4123015, 4947618, 5074480, 6596824, 7611720, 8246030, 9895236, 12369045, 13193648, 15223440, 16492060, 19790472, 24738090, 32984120, 39580944, 49476180, 65968240, 98952360, 197904720]

約数ペア:

[(1, 197904720), (2, 98952360), (3, 65968240), (4, 49476180), (5, 39580944), (6, 32984120), (8, 24738090), (10, 19790472), (12, 16492060), (13, 15223440), (15, 13193648), (16, 12369045), (20, 9895236), (24, 8246030), (26, 7611720), (30, 6596824), (39, 5074480), (40, 4947618), (48, 4123015), (52, 3805860), (60, 3298412), (65, 3044688), (78, 2537240), (80, 2473809), (104, 1902930), (120, 1649206), (130, 1522344), (137, 1444560), (156, 1268620), (195, 1014896), (208, 951465), (240, 824603), (260, 761172), (274, 722280), (312, 634310), (390, 507448), (411, 481520), (463, 427440), (520, 380586), (548, 361140), (624, 317155), (685, 288912), (780, 253724), (822, 240760), (926, 213720), (1040, 190293), (1096, 180570), (1370, 144456), (1389, 142480), (1560, 126862), (1644, 120380), (1781, 111120), (1852, 106860), (2055, 96304), (2192, 90285), (2315, 85488), (2740, 72228), (2778, 71240), (3120, 63431), (3288, 60190), (3562, 55560), (3704, 53430), (4110, 48152), (4630, 42744), (5343, 37040), (5480, 36114), (5556, 35620), (6019, 32880), (6576, 30095), (6945, 28496), (7124, 27780), (7408, 26715), (8220, 24076), (8905, 22224), (9260, 21372), (10686, 18520), (10960, 18057), (11112, 17810), (12038, 16440), (13890, 14248)]