420420

素因数分解:

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

素因数の和:50

約数の個数: 144

約数和(自身を含む): 1608768

約数和(自身を除く): 1188348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 49, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 98, 105, 110, 130, 132, 140, 143, 147, 154, 156, 165, 182, 195, 196, 210, 220, 231, 245, 260, 273, 286, 294, 308, 330, 364, 385, 390, 420, 429, 455, 462, 490, 539, 546, 572, 588, 637, 660, 715, 735, 770, 780, 858, 910, 924, 980, 1001, 1078, 1092, 1155, 1274, 1365, 1430, 1470, 1540, 1617, 1716, 1820, 1911, 2002, 2145, 2156, 2310, 2548, 2695, 2730, 2860, 2940, 3003, 3185, 3234, 3822, 4004, 4290, 4620, 5005, 5390, 5460, 6006, 6370, 6468, 7007, 7644, 8085, 8580, 9555, 10010, 10780, 12012, 12740, 14014, 15015, 16170, 19110, 20020, 21021, 28028, 30030, 32340, 35035, 38220, 42042, 60060, 70070, 84084, 105105, 140140, 210210, 420420]

約数ペア:

[(1, 420420), (2, 210210), (3, 140140), (4, 105105), (5, 84084), (6, 70070), (7, 60060), (10, 42042), (11, 38220), (12, 35035), (13, 32340), (14, 30030), (15, 28028), (20, 21021), (21, 20020), (22, 19110), (26, 16170), (28, 15015), (30, 14014), (33, 12740), (35, 12012), (39, 10780), (42, 10010), (44, 9555), (49, 8580), (52, 8085), (55, 7644), (60, 7007), (65, 6468), (66, 6370), (70, 6006), (77, 5460), (78, 5390), (84, 5005), (91, 4620), (98, 4290), (105, 4004), (110, 3822), (130, 3234), (132, 3185), (140, 3003), (143, 2940), (147, 2860), (154, 2730), (156, 2695), (165, 2548), (182, 2310), (195, 2156), (196, 2145), (210, 2002), (220, 1911), (231, 1820), (245, 1716), (260, 1617), (273, 1540), (286, 1470), (294, 1430), (308, 1365), (330, 1274), (364, 1155), (385, 1092), (390, 1078), (420, 1001), (429, 980), (455, 924), (462, 910), (490, 858), (539, 780), (546, 770), (572, 735), (588, 715), (637, 660)]