15345220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 37604952

約数和(自身を除く): 22259732

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 373, 374, 484, 605, 746, 748, 935, 1210, 1492, 1865, 1870, 2057, 2420, 3730, 3740, 4103, 4114, 6341, 7460, 8206, 8228, 10285, 12682, 16412, 20515, 20570, 25364, 31705, 41030, 41140, 45133, 63410, 69751, 82060, 90266, 126820, 139502, 180532, 225665, 279004, 348755, 451330, 697510, 767261, 902660, 1395020, 1534522, 3069044, 3836305, 7672610, 15345220]

約数ペア:

[(1, 15345220), (2, 7672610), (4, 3836305), (5, 3069044), (10, 1534522), (11, 1395020), (17, 902660), (20, 767261), (22, 697510), (34, 451330), (44, 348755), (55, 279004), (68, 225665), (85, 180532), (110, 139502), (121, 126820), (170, 90266), (187, 82060), (220, 69751), (242, 63410), (340, 45133), (373, 41140), (374, 41030), (484, 31705), (605, 25364), (746, 20570), (748, 20515), (935, 16412), (1210, 12682), (1492, 10285), (1865, 8228), (1870, 8206), (2057, 7460), (2420, 6341), (3730, 4114), (3740, 4103)]