1541540

素因数分解:

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

素因数の和:58

約数の個数: 108

約数和(自身を含む): 4457628

約数和(自身を除く): 2916088

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 121, 130, 140, 143, 154, 182, 196, 220, 242, 245, 260, 286, 308, 364, 385, 455, 484, 490, 539, 572, 605, 637, 715, 770, 847, 910, 980, 1001, 1078, 1210, 1274, 1430, 1540, 1573, 1694, 1820, 2002, 2156, 2420, 2548, 2695, 2860, 3146, 3185, 3388, 4004, 4235, 5005, 5390, 5929, 6292, 6370, 7007, 7865, 8470, 10010, 10780, 11011, 11858, 12740, 14014, 15730, 16940, 20020, 22022, 23716, 28028, 29645, 31460, 35035, 44044, 55055, 59290, 70070, 77077, 110110, 118580, 140140, 154154, 220220, 308308, 385385, 770770, 1541540]

約数ペア:

[(1, 1541540), (2, 770770), (4, 385385), (5, 308308), (7, 220220), (10, 154154), (11, 140140), (13, 118580), (14, 110110), (20, 77077), (22, 70070), (26, 59290), (28, 55055), (35, 44044), (44, 35035), (49, 31460), (52, 29645), (55, 28028), (65, 23716), (70, 22022), (77, 20020), (91, 16940), (98, 15730), (110, 14014), (121, 12740), (130, 11858), (140, 11011), (143, 10780), (154, 10010), (182, 8470), (196, 7865), (220, 7007), (242, 6370), (245, 6292), (260, 5929), (286, 5390), (308, 5005), (364, 4235), (385, 4004), (455, 3388), (484, 3185), (490, 3146), (539, 2860), (572, 2695), (605, 2548), (637, 2420), (715, 2156), (770, 2002), (847, 1820), (910, 1694), (980, 1573), (1001, 1540), (1078, 1430), (1210, 1274)]