18767280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11171}}^1$

素因数の和:11194

約数の個数: 80

約数和(自身を含む): 66495744

約数和(自身を除く): 47728464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11171, 22342, 33513, 44684, 55855, 67026, 78197, 89368, 111710, 134052, 156394, 167565, 178736, 223420, 234591, 268104, 312788, 335130, 390985, 446840, 469182, 536208, 625576, 670260, 781970, 893680, 938364, 1172955, 1251152, 1340520, 1563940, 1876728, 2345910, 2681040, 3127880, 3753456, 4691820, 6255760, 9383640, 18767280]

約数ペア:

[(1, 18767280), (2, 9383640), (3, 6255760), (4, 4691820), (5, 3753456), (6, 3127880), (7, 2681040), (8, 2345910), (10, 1876728), (12, 1563940), (14, 1340520), (15, 1251152), (16, 1172955), (20, 938364), (21, 893680), (24, 781970), (28, 670260), (30, 625576), (35, 536208), (40, 469182), (42, 446840), (48, 390985), (56, 335130), (60, 312788), (70, 268104), (80, 234591), (84, 223420), (105, 178736), (112, 167565), (120, 156394), (140, 134052), (168, 111710), (210, 89368), (240, 78197), (280, 67026), (336, 55855), (420, 44684), (560, 33513), (840, 22342), (1680, 11171)]