80374420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 204019200

約数和(自身を除く): 123644780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 109, 115, 140, 161, 218, 229, 230, 322, 436, 458, 460, 545, 644, 763, 805, 916, 1090, 1145, 1526, 1603, 1610, 2180, 2290, 2507, 3052, 3206, 3220, 3815, 4580, 5014, 5267, 6412, 7630, 8015, 10028, 10534, 12535, 15260, 16030, 17549, 21068, 24961, 25070, 26335, 32060, 35098, 36869, 49922, 50140, 52670, 70196, 73738, 87745, 99844, 105340, 124805, 147476, 174727, 175490, 184345, 249610, 349454, 350980, 368690, 499220, 574103, 698908, 737380, 873635, 1148206, 1747270, 2296412, 2870515, 3494540, 4018721, 5741030, 8037442, 11482060, 16074884, 20093605, 40187210, 80374420]

約数ペア:

[(1, 80374420), (2, 40187210), (4, 20093605), (5, 16074884), (7, 11482060), (10, 8037442), (14, 5741030), (20, 4018721), (23, 3494540), (28, 2870515), (35, 2296412), (46, 1747270), (70, 1148206), (92, 873635), (109, 737380), (115, 698908), (140, 574103), (161, 499220), (218, 368690), (229, 350980), (230, 349454), (322, 249610), (436, 184345), (458, 175490), (460, 174727), (545, 147476), (644, 124805), (763, 105340), (805, 99844), (916, 87745), (1090, 73738), (1145, 70196), (1526, 52670), (1603, 50140), (1610, 49922), (2180, 36869), (2290, 35098), (2507, 32060), (3052, 26335), (3206, 25070), (3220, 24961), (3815, 21068), (4580, 17549), (5014, 16030), (5267, 15260), (6412, 12535), (7630, 10534), (8015, 10028)]