71857240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1089

約数の個数: 128

約数和(自身を含む): 209664000

約数和(自身を除く): 137806760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1039, 1064, 1235, 1330, 1729, 1820, 1976, 2078, 2470, 2660, 3458, 3640, 4156, 4940, 5195, 5320, 6916, 7273, 8312, 8645, 9880, 10390, 13507, 13832, 14546, 17290, 19741, 20780, 27014, 29092, 34580, 36365, 39482, 41560, 54028, 58184, 67535, 69160, 72730, 78964, 94549, 98705, 108056, 135070, 138187, 145460, 157928, 189098, 197410, 256633, 270140, 276374, 290920, 378196, 394820, 472745, 513266, 540280, 552748, 690935, 756392, 789640, 945490, 1026532, 1105496, 1283165, 1381870, 1796431, 1890980, 2053064, 2566330, 2763740, 3592862, 3781960, 5132660, 5527480, 7185724, 8982155, 10265320, 14371448, 17964310, 35928620, 71857240]

約数ペア:

[(1, 71857240), (2, 35928620), (4, 17964310), (5, 14371448), (7, 10265320), (8, 8982155), (10, 7185724), (13, 5527480), (14, 5132660), (19, 3781960), (20, 3592862), (26, 2763740), (28, 2566330), (35, 2053064), (38, 1890980), (40, 1796431), (52, 1381870), (56, 1283165), (65, 1105496), (70, 1026532), (76, 945490), (91, 789640), (95, 756392), (104, 690935), (130, 552748), (133, 540280), (140, 513266), (152, 472745), (182, 394820), (190, 378196), (247, 290920), (260, 276374), (266, 270140), (280, 256633), (364, 197410), (380, 189098), (455, 157928), (494, 145460), (520, 138187), (532, 135070), (665, 108056), (728, 98705), (760, 94549), (910, 78964), (988, 72730), (1039, 69160), (1064, 67535), (1235, 58184), (1330, 54028), (1729, 41560), (1820, 39482), (1976, 36365), (2078, 34580), (2470, 29092), (2660, 27014), (3458, 20780), (3640, 19741), (4156, 17290), (4940, 14546), (5195, 13832), (5320, 13507), (6916, 10390), (7273, 9880), (8312, 8645)]