247739340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{733}}^1$

素因数の和:919

約数の個数: 96

約数和(自身を含む): 716196096

約数和(自身を除く): 468456756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 131, 172, 215, 258, 262, 393, 430, 516, 524, 645, 655, 733, 786, 860, 1290, 1310, 1466, 1572, 1965, 2199, 2580, 2620, 2932, 3665, 3930, 4398, 5633, 7330, 7860, 8796, 10995, 11266, 14660, 16899, 21990, 22532, 28165, 31519, 33798, 43980, 56330, 63038, 67596, 84495, 94557, 96023, 112660, 126076, 157595, 168990, 189114, 192046, 288069, 315190, 337980, 378228, 384092, 472785, 480115, 576138, 630380, 945570, 960230, 1152276, 1440345, 1891140, 1920460, 2880690, 4128989, 5761380, 8257978, 12386967, 16515956, 20644945, 24773934, 41289890, 49547868, 61934835, 82579780, 123869670, 247739340]

約数ペア:

[(1, 247739340), (2, 123869670), (3, 82579780), (4, 61934835), (5, 49547868), (6, 41289890), (10, 24773934), (12, 20644945), (15, 16515956), (20, 12386967), (30, 8257978), (43, 5761380), (60, 4128989), (86, 2880690), (129, 1920460), (131, 1891140), (172, 1440345), (215, 1152276), (258, 960230), (262, 945570), (393, 630380), (430, 576138), (516, 480115), (524, 472785), (645, 384092), (655, 378228), (733, 337980), (786, 315190), (860, 288069), (1290, 192046), (1310, 189114), (1466, 168990), (1572, 157595), (1965, 126076), (2199, 112660), (2580, 96023), (2620, 94557), (2932, 84495), (3665, 67596), (3930, 63038), (4398, 56330), (5633, 43980), (7330, 33798), (7860, 31519), (8796, 28165), (10995, 22532), (11266, 21990), (14660, 16899)]