79977300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20507}}^1$

素因数の和:20537

約数の個数: 72

約数和(自身を含む): 249213216

約数和(自身を除く): 169235916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 20507, 41014, 61521, 82028, 102535, 123042, 205070, 246084, 266591, 307605, 410140, 512675, 533182, 615210, 799773, 1025350, 1066364, 1230420, 1332955, 1538025, 1599546, 2050700, 2665910, 3076050, 3199092, 3998865, 5331820, 6152100, 6664775, 7997730, 13329550, 15995460, 19994325, 26659100, 39988650, 79977300]

約数ペア:

[(1, 79977300), (2, 39988650), (3, 26659100), (4, 19994325), (5, 15995460), (6, 13329550), (10, 7997730), (12, 6664775), (13, 6152100), (15, 5331820), (20, 3998865), (25, 3199092), (26, 3076050), (30, 2665910), (39, 2050700), (50, 1599546), (52, 1538025), (60, 1332955), (65, 1230420), (75, 1066364), (78, 1025350), (100, 799773), (130, 615210), (150, 533182), (156, 512675), (195, 410140), (260, 307605), (300, 266591), (325, 246084), (390, 205070), (650, 123042), (780, 102535), (975, 82028), (1300, 61521), (1950, 41014), (3900, 20507)]