168971220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1486

約数の個数: 144

約数和(自身を含む): 568713600

約数和(自身を除く): 399742380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 165, 180, 183, 198, 220, 244, 305, 330, 366, 396, 495, 549, 610, 660, 671, 732, 915, 990, 1098, 1220, 1342, 1399, 1830, 1980, 2013, 2196, 2684, 2745, 2798, 3355, 3660, 4026, 4197, 5490, 5596, 6039, 6710, 6995, 8052, 8394, 10065, 10980, 12078, 12591, 13420, 13990, 15389, 16788, 20130, 20985, 24156, 25182, 27980, 30195, 30778, 40260, 41970, 46167, 50364, 60390, 61556, 62955, 76945, 83940, 85339, 92334, 120780, 125910, 138501, 153890, 170678, 184668, 230835, 251820, 256017, 277002, 307780, 341356, 426695, 461670, 512034, 554004, 692505, 768051, 853390, 923340, 938729, 1024068, 1280085, 1385010, 1536102, 1706780, 1877458, 2560170, 2770020, 2816187, 3072204, 3754916, 3840255, 4693645, 5120340, 5632374, 7680510, 8448561, 9387290, 11264748, 14080935, 15361020, 16897122, 18774580, 28161870, 33794244, 42242805, 56323740, 84485610, 168971220]

約数ペア:

[(1, 168971220), (2, 84485610), (3, 56323740), (4, 42242805), (5, 33794244), (6, 28161870), (9, 18774580), (10, 16897122), (11, 15361020), (12, 14080935), (15, 11264748), (18, 9387290), (20, 8448561), (22, 7680510), (30, 5632374), (33, 5120340), (36, 4693645), (44, 3840255), (45, 3754916), (55, 3072204), (60, 2816187), (61, 2770020), (66, 2560170), (90, 1877458), (99, 1706780), (110, 1536102), (122, 1385010), (132, 1280085), (165, 1024068), (180, 938729), (183, 923340), (198, 853390), (220, 768051), (244, 692505), (305, 554004), (330, 512034), (366, 461670), (396, 426695), (495, 341356), (549, 307780), (610, 277002), (660, 256017), (671, 251820), (732, 230835), (915, 184668), (990, 170678), (1098, 153890), (1220, 138501), (1342, 125910), (1399, 120780), (1830, 92334), (1980, 85339), (2013, 83940), (2196, 76945), (2684, 62955), (2745, 61556), (2798, 60390), (3355, 50364), (3660, 46167), (4026, 41970), (4197, 40260), (5490, 30778), (5596, 30195), (6039, 27980), (6710, 25182), (6995, 24156), (8052, 20985), (8394, 20130), (10065, 16788), (10980, 15389), (12078, 13990), (12591, 13420)]