2662660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 144

約数和(自身を含む): 8043840

約数和(自身を除く): 5381180

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 44, 49, 52, 55, 65, 70, 76, 77, 91, 95, 98, 110, 130, 133, 140, 143, 154, 182, 190, 196, 209, 220, 245, 247, 260, 266, 286, 308, 364, 380, 385, 418, 455, 490, 494, 532, 539, 572, 637, 665, 715, 770, 836, 910, 931, 980, 988, 1001, 1045, 1078, 1235, 1274, 1330, 1430, 1463, 1540, 1729, 1820, 1862, 2002, 2090, 2156, 2470, 2548, 2660, 2695, 2717, 2860, 2926, 3185, 3458, 3724, 4004, 4180, 4655, 4940, 5005, 5390, 5434, 5852, 6370, 6916, 7007, 7315, 8645, 9310, 10010, 10241, 10780, 10868, 12103, 12740, 13585, 14014, 14630, 17290, 18620, 19019, 20020, 20482, 24206, 27170, 28028, 29260, 34580, 35035, 38038, 40964, 48412, 51205, 54340, 60515, 70070, 76076, 95095, 102410, 121030, 133133, 140140, 190190, 204820, 242060, 266266, 380380, 532532, 665665, 1331330, 2662660]

約数ペア:

[(1, 2662660), (2, 1331330), (4, 665665), (5, 532532), (7, 380380), (10, 266266), (11, 242060), (13, 204820), (14, 190190), (19, 140140), (20, 133133), (22, 121030), (26, 102410), (28, 95095), (35, 76076), (38, 70070), (44, 60515), (49, 54340), (52, 51205), (55, 48412), (65, 40964), (70, 38038), (76, 35035), (77, 34580), (91, 29260), (95, 28028), (98, 27170), (110, 24206), (130, 20482), (133, 20020), (140, 19019), (143, 18620), (154, 17290), (182, 14630), (190, 14014), (196, 13585), (209, 12740), (220, 12103), (245, 10868), (247, 10780), (260, 10241), (266, 10010), (286, 9310), (308, 8645), (364, 7315), (380, 7007), (385, 6916), (418, 6370), (455, 5852), (490, 5434), (494, 5390), (532, 5005), (539, 4940), (572, 4655), (637, 4180), (665, 4004), (715, 3724), (770, 3458), (836, 3185), (910, 2926), (931, 2860), (980, 2717), (988, 2695), (1001, 2660), (1045, 2548), (1078, 2470), (1235, 2156), (1274, 2090), (1330, 2002), (1430, 1862), (1463, 1820), (1540, 1729)]