64455820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:791

約数の個数: 96

約数和(自身を含む): 164376576

約数和(自身を除く): 99920756

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 572, 620, 682, 715, 727, 806, 1364, 1430, 1454, 1612, 1705, 2015, 2860, 2908, 3410, 3635, 4030, 4433, 6820, 7270, 7997, 8060, 8866, 9451, 14540, 15994, 17732, 18902, 22165, 22537, 31988, 37804, 39985, 44330, 45074, 47255, 79970, 88660, 90148, 94510, 103961, 112685, 159940, 189020, 207922, 225370, 247907, 292981, 415844, 450740, 495814, 519805, 585962, 991628, 1039610, 1171924, 1239535, 1464905, 2079220, 2479070, 2929810, 3222791, 4958140, 5859620, 6445582, 12891164, 16113955, 32227910, 64455820]

約数ペア:

[(1, 64455820), (2, 32227910), (4, 16113955), (5, 12891164), (10, 6445582), (11, 5859620), (13, 4958140), (20, 3222791), (22, 2929810), (26, 2479070), (31, 2079220), (44, 1464905), (52, 1239535), (55, 1171924), (62, 1039610), (65, 991628), (110, 585962), (124, 519805), (130, 495814), (143, 450740), (155, 415844), (220, 292981), (260, 247907), (286, 225370), (310, 207922), (341, 189020), (403, 159940), (572, 112685), (620, 103961), (682, 94510), (715, 90148), (727, 88660), (806, 79970), (1364, 47255), (1430, 45074), (1454, 44330), (1612, 39985), (1705, 37804), (2015, 31988), (2860, 22537), (2908, 22165), (3410, 18902), (3635, 17732), (4030, 15994), (4433, 14540), (6820, 9451), (7270, 8866), (7997, 8060)]