80272140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102913}}^1$

素因数の和:102938

約数の個数: 48

約数和(自身を含む): 242053728

約数和(自身を除く): 161781588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 102913, 205826, 308739, 411652, 514565, 617478, 1029130, 1234956, 1337869, 1543695, 2058260, 2675738, 3087390, 4013607, 5351476, 6174780, 6689345, 8027214, 13378690, 16054428, 20068035, 26757380, 40136070, 80272140]

約数ペア:

[(1, 80272140), (2, 40136070), (3, 26757380), (4, 20068035), (5, 16054428), (6, 13378690), (10, 8027214), (12, 6689345), (13, 6174780), (15, 5351476), (20, 4013607), (26, 3087390), (30, 2675738), (39, 2058260), (52, 1543695), (60, 1337869), (65, 1234956), (78, 1029130), (130, 617478), (156, 514565), (195, 411652), (260, 308739), (390, 205826), (780, 102913)]