291216720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5077}}^1$

素因数の和:5332

約数の個数: 80

約数和(自身を含む): 906727680

約数和(自身を除く): 615510960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 3824, 4780, 5077, 5736, 7170, 9560, 10154, 11472, 14340, 15231, 19120, 20308, 25385, 28680, 30462, 40616, 50770, 57360, 60924, 76155, 81232, 101540, 121848, 152310, 203080, 243696, 304620, 406160, 609240, 1213403, 1218480, 2426806, 3640209, 4853612, 6067015, 7280418, 9707224, 12134030, 14560836, 18201045, 19414448, 24268060, 29121672, 36402090, 48536120, 58243344, 72804180, 97072240, 145608360, 291216720]

約数ペア:

[(1, 291216720), (2, 145608360), (3, 97072240), (4, 72804180), (5, 58243344), (6, 48536120), (8, 36402090), (10, 29121672), (12, 24268060), (15, 19414448), (16, 18201045), (20, 14560836), (24, 12134030), (30, 9707224), (40, 7280418), (48, 6067015), (60, 4853612), (80, 3640209), (120, 2426806), (239, 1218480), (240, 1213403), (478, 609240), (717, 406160), (956, 304620), (1195, 243696), (1434, 203080), (1912, 152310), (2390, 121848), (2868, 101540), (3585, 81232), (3824, 76155), (4780, 60924), (5077, 57360), (5736, 50770), (7170, 40616), (9560, 30462), (10154, 28680), (11472, 25385), (14340, 20308), (15231, 19120)]