78660400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2199

約数の個数: 120

約数和(自身を含む): 232700384

約数和(自身を除く): 154039984

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 650, 700, 728, 910, 1040, 1300, 1400, 1456, 1820, 2161, 2275, 2600, 2800, 3640, 4322, 4550, 5200, 7280, 8644, 9100, 10805, 15127, 17288, 18200, 21610, 28093, 30254, 34576, 36400, 43220, 54025, 56186, 60508, 75635, 86440, 108050, 112372, 121016, 140465, 151270, 172880, 196651, 216100, 224744, 242032, 280930, 302540, 378175, 393302, 432200, 449488, 561860, 605080, 702325, 756350, 786604, 864400, 983255, 1123720, 1210160, 1404650, 1512700, 1573208, 1966510, 2247440, 2809300, 3025400, 3146416, 3933020, 4916275, 5618600, 6050800, 7866040, 9832550, 11237200, 15732080, 19665100, 39330200, 78660400]

約数ペア:

[(1, 78660400), (2, 39330200), (4, 19665100), (5, 15732080), (7, 11237200), (8, 9832550), (10, 7866040), (13, 6050800), (14, 5618600), (16, 4916275), (20, 3933020), (25, 3146416), (26, 3025400), (28, 2809300), (35, 2247440), (40, 1966510), (50, 1573208), (52, 1512700), (56, 1404650), (65, 1210160), (70, 1123720), (80, 983255), (91, 864400), (100, 786604), (104, 756350), (112, 702325), (130, 605080), (140, 561860), (175, 449488), (182, 432200), (200, 393302), (208, 378175), (260, 302540), (280, 280930), (325, 242032), (350, 224744), (364, 216100), (400, 196651), (455, 172880), (520, 151270), (560, 140465), (650, 121016), (700, 112372), (728, 108050), (910, 86440), (1040, 75635), (1300, 60508), (1400, 56186), (1456, 54025), (1820, 43220), (2161, 36400), (2275, 34576), (2600, 30254), (2800, 28093), (3640, 21610), (4322, 18200), (4550, 17288), (5200, 15127), (7280, 10805), (8644, 9100)]