1261260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:53

約数の個数: 216

約数和(自身を含む): 5228496

約数和(自身を除く): 3967236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 28, 30, 33, 35, 36, 39, 42, 44, 45, 49, 52, 55, 60, 63, 65, 66, 70, 77, 78, 84, 90, 91, 98, 99, 105, 110, 117, 126, 130, 132, 140, 143, 147, 154, 156, 165, 180, 182, 195, 196, 198, 210, 220, 231, 234, 245, 252, 260, 273, 286, 294, 308, 315, 330, 364, 385, 390, 396, 420, 429, 441, 455, 462, 468, 490, 495, 539, 546, 572, 585, 588, 630, 637, 660, 693, 715, 735, 770, 780, 819, 858, 882, 910, 924, 980, 990, 1001, 1078, 1092, 1155, 1170, 1260, 1274, 1287, 1365, 1386, 1430, 1470, 1540, 1617, 1638, 1716, 1764, 1820, 1911, 1980, 2002, 2145, 2156, 2205, 2310, 2340, 2548, 2574, 2695, 2730, 2772, 2860, 2940, 3003, 3185, 3234, 3276, 3465, 3822, 4004, 4095, 4290, 4410, 4620, 4851, 5005, 5148, 5390, 5460, 5733, 6006, 6370, 6435, 6468, 6930, 7007, 7644, 8085, 8190, 8580, 8820, 9009, 9555, 9702, 10010, 10780, 11466, 12012, 12740, 12870, 13860, 14014, 15015, 16170, 16380, 18018, 19110, 19404, 20020, 21021, 22932, 24255, 25740, 28028, 28665, 30030, 32340, 35035, 36036, 38220, 42042, 45045, 48510, 57330, 60060, 63063, 70070, 84084, 90090, 97020, 105105, 114660, 126126, 140140, 180180, 210210, 252252, 315315, 420420, 630630, 1261260]

約数ペア:

[(1, 1261260), (2, 630630), (3, 420420), (4, 315315), (5, 252252), (6, 210210), (7, 180180), (9, 140140), (10, 126126), (11, 114660), (12, 105105), (13, 97020), (14, 90090), (15, 84084), (18, 70070), (20, 63063), (21, 60060), (22, 57330), (26, 48510), (28, 45045), (30, 42042), (33, 38220), (35, 36036), (36, 35035), (39, 32340), (42, 30030), (44, 28665), (45, 28028), (49, 25740), (52, 24255), (55, 22932), (60, 21021), (63, 20020), (65, 19404), (66, 19110), (70, 18018), (77, 16380), (78, 16170), (84, 15015), (90, 14014), (91, 13860), (98, 12870), (99, 12740), (105, 12012), (110, 11466), (117, 10780), (126, 10010), (130, 9702), (132, 9555), (140, 9009), (143, 8820), (147, 8580), (154, 8190), (156, 8085), (165, 7644), (180, 7007), (182, 6930), (195, 6468), (196, 6435), (198, 6370), (210, 6006), (220, 5733), (231, 5460), (234, 5390), (245, 5148), (252, 5005), (260, 4851), (273, 4620), (286, 4410), (294, 4290), (308, 4095), (315, 4004), (330, 3822), (364, 3465), (385, 3276), (390, 3234), (396, 3185), (420, 3003), (429, 2940), (441, 2860), (455, 2772), (462, 2730), (468, 2695), (490, 2574), (495, 2548), (539, 2340), (546, 2310), (572, 2205), (585, 2156), (588, 2145), (630, 2002), (637, 1980), (660, 1911), (693, 1820), (715, 1764), (735, 1716), (770, 1638), (780, 1617), (819, 1540), (858, 1470), (882, 1430), (910, 1386), (924, 1365), (980, 1287), (990, 1274), (1001, 1260), (1078, 1170), (1092, 1155)]